14. Which shows the direction of the centripetal force acting on a mass spun in a vertical circle?
|
|
- Nigel Preston
- 6 years ago
- Views:
Transcription
1 Physics 3204 Public Exam Questins Unit 1: Circular Mtin NAME: August Which describes unifrm circular mtin? 13. A circular race track has a radius f 159 m. If the centripetal frce acting n a 65.0 kg cyclist is 4.16 N, hw lng des it take t cmplete ne lap arund the track? (A) 9.91 s (C) 313 s (B) 98.2 s (D) 785 s 14. Which shws the directin f the centripetal frce acting n a mass spun in a vertical circle? The diagram belw represents a kg car driving int the bttm f a small valley. If the car is travelling at 9.0 m/s and the radius f the valley is 12.0 m, what is the nrmal frce acting n the car? (A) N (B) N (C) N 4 (D) N 16. At what speed can a car safely negtiate a frictinless curve f radius 115 m if the rad is banked at an angle f 35.0? (A) 8.97 m/s (C) 28.1 m/s (B) 19.9 m/s (D) 40.1 m/s
2 3% 51.(c) A 2.00 kg bject is attached t the end f a 3.00 m lng rpe and is spun in a vertical circle. Calculate the speed f the bject, at the bttm f the circle, if the tensin in the rpe is 49.0 N. 3% (d) A 1500 kg car runds a curve n a flat rad f radius 55 m at a speed f 16 m/s. Determine whether the car will make the turn n an icy rad where = Shw yur calculatins. June A 25.0 kg girl is spinning arund at 1.25 m/s n a merry-g-rund with a radius f 2.39 m. What is the centripetal frce n the girl? (A) 13.1 N (C) 32.5 N (B) 16.3 N (D) 47.8 N 14. An bject is mving in unifrm circular mtin at a speed f 6.20 m/s arund a path having radius 3.85 m. Hw lng des it take t make ne cmplete revlutin? (A) s (C) 1.61 s (B) s (D) 3.90 s 15. A 1.20 kg ball n a string is swung at a speed f 3.57 m/s in a vertical circle f radius 1.10 m. What is the tensin in the string at the tp f the circle? (A) 2.1 N (C) 13.9 N (B) 11.8 N (D) 25.7 N
3 16. A rller caster car f mass, m, is n a track that frms a circular lp f radius r in a vertical plane. If the car is t just maintain cntact with the track, what expressin represents the minimum speed at the tp f the lp? (A) rg (B) (rg) (C) rmg (D) (rmg) 3% 51 (d) A 0.40 kg stne is tied t a string and whirled arund in a circle f radius 0.75 m with a cnstant speed f 5.0 m/s. In which situatin is the string mst likely t break? Explain. August An bject travels alng a hrizntal circular path at a cnstant speed. By what factr will the centripetal frce change if the radius is halved? (A) ¼ (C) 2 (B) ½ (D) What is the acceleratin f a car that ges arund a curve f radius 150 m at a cnstant speed f 30.0 m/s? 2 2 (A) 0 m/s (C) 5.0 m/s (B) 0.20 m/s2 2 (D) 6.0 m/s
4 12. The diagram belw shws an bject mving at a cnstant speed in a hrizntal circle. What is the directin f the acceleratin at pint P? (A) A (C) C (B) B (D) D 13. What is the centripetal frce n an bject f mass kg, that is spinning at 6.40 m/s in a hrizntal circle f radius m? (A) 2.87 N (C) 23.4 N (B) 3.66 N (D) 117 N 14. What banking angle is required fr a car t cmplete a m radius frictinless turn at 24.5 m/s withut skidding? (A) 29.1 (C) 56.2 (B) 33.8 (D) A persn f mass, m, n a carnival ride stands inside a large drum that begins t rtate. When a safe speed is reached, the flr f the drum falls away and the rider is left stuck t the wall. What is the minimum speed at which the drum can turn s that the persn des nt fall? 3 4% 51.(e) A car f mass kg travelling at 18 m/s, tps a hill having a radius f curvature f 50.0 m. i) Calculate the nrmal frce n the car at the tp f the hill.
5 ii) Calculate the maximum speed that will allw the car t stay n the rad at the tp f the hill. June A rubber stpper spins in a hrizntal circle n the end f a 1.2 m lng string. If the stpper mves at a speed f 3.2 m/s, what is its acceleratin? 2 2 (A) 0.12 m/s (C) 2.7 m/s 2 2 (B) 0.38 m/s (D) 8.5 m/s 13. The diagram belw shws a ball n the end f a string mving at a cnstant speed in a hrizntal circle. A target is lcated near the path f the ball as shwn. At which pint shuld the ball be released in rder t hit the target? (A) A (B) B (C) C (D) D What is the speed f a planet that travels in a circular path f radius m, and has a perid f 27.3 days? 2 4 (A) m/s (C) m/s 3 4 (B) m/s (D) m/s 15. The diagram belw shws a ball, suspended by a string, travelling in a hrizntal circular p ath at a cnstant speed. Which is the free bdy diagram fr the ball at P? 5
6 2 16. A pilt mving at a speed f m/s, experiences a nrmal frce f seven times his weight at the bttm f a vertical dive. What is the radius f curvature f the dive if it fllws a semi-circular path as shwn? (A) 425 m (B) 797 m (C) 911 m (D) 1060 m 3% 51 (d) In an autmatic clthes dryer a hllw drum mves the clthes in a vertical circle f diameter 0.75 m. The dryer is designed s that the clthes tumble and d nt simply stick t the drum as it rtates. Calculate the speed at which the drum must rtate s that a kg sweater at the tp f the drum will just begin t tumble. August What is the directin f the centripetal acceleratin fr an bject mving in a hrizntal circle? (A) up (C) away frm the center (B) dwn (D) twards the center 12. A ball attached t a string is swung in a vertical circle. If the string breaks at pint X, which path will the ball fllw at the instant the string breaks? (A) A (B) B (C) C (D) D 6
7 13. A ball n a string is spun in a hrizntal circle. If the speed remains cnstant and the radius is halved, by what factr will the centripetal acceleratin change? (A) ¼ (C) 2 (B) ½ (D) An bject f mass 20.0 kg underges 50 rtatins in 25 s making a circle f radius 0.95 m. What is the centripetal frce experienced by the bject? 2 3 (A) N (C) N 2 3 (B) N (D) N 15. A 4.0 kg ball n a string is swung in a hrizntal circle at a speed f 3.5 m/s. If the tensin in the string is 51 N, what is the radius f the circular path traced ut by the ball? (A) 0.43 m (B) 0.67 m (C) 1.3 m (D) 1.5 m 4% 51 (d) A rller caster cart is at the tp f a vertical circular lp and is travelling at 9.30 m/s. The ttal mass f the cart and passengers is 435 kg. (i) If the radius f the lp is 4.50 m, calculate the nrmal frce acting n the cart at the tp f the lp. ii) Calculate the minimum speed required at the tp f the lp t keep the cart n the track. 7
8 June Which is the centripetal frce fr a car in a frictinless banked curve? (A) hrizntal cmpnent f the nrmal frce (C) vertical cmpnent f the nrmal frce (B) hrizntal cmpnent f the weight (D) vertical cmpnent f the weight 12. The diagram belw shws an bject, attached t a string, mving at a cnstant speed f 4.00 m/s in a hrizntal circle. What is the magnitude f the centripetal acceleratin f the bject? (A) m/s 2 (B) 2.00 m/s 2 (C) 5.00 m/s 2 (D) 20.0 m/s Which shws the velcity vectr fr an bject in unifrm circular mtin? (A) (B) (C) (D) 14. In a series f test runs, a car travels arund the same circular track at different velcities. Which graph shws the relatinship between its centripetal acceleratin, a, and its velcity v? c 15. The diagram belw shws a pail f water being swung in a vertical circle f radius 1.3 m. What is the minimum speed, v, at the tp f the circle that will keep the water frm spilling? (A) 3.6 m/s (B) 7.5 m/s (C) 9.8 m/s (D) 13 m/s 8
9 3% 51 (d) A 1500 kg car travels at 25 m/s arund a circular curve n a flat rad. If the cefficient f static frictin is 0.750, calculate the minimum radius f curvature the car can make. August In the diagram belw, a car is mving suth at a cnstant speed alng a circular path. In which directin is the centripetal frce directed? (A) east (B) nrth (C) suth (D) west 13. The diagram belw shws a 3.0 kg ball, suspended by a string, underging unifrm circular mtin. If the speed f the ball is 3.1 m/s and the radius f the circle is 1.2 m, what is the tensin in the string? (A) 31 N (B) 38 N (C) 62 N (D) 76 N 14. By which factr des the centripetal frce change if a car ges arund a curve at 1/3 f its riginal speed? (A) 1/3 (C) 3 (B) 1/9 (D) 9 9
10 15. Tires n a mving bicycle make tw cmplete rtatins in 0.18 s. If the radius f the tires is 0.42 m, hw fast is the bicycle travelling? (A) 0.47 m/s (C) 15 m/s (B) 2.3 m/s (D) 29 m/s 16. If the vehicle belw cmpletes the lp, at which pint is the nrmal frce lwest? (A) A (B) B (C) C (D) D 17. As the radius f a merry-g-rund dubles, by what factr des the magnitude f the centripetal frce acting n a passenger change? (A) duble (C) triple (B) half (D) quadruple 3% 51. (d) What is the maximum speed a car can travel arund a curve n a flat rad if the radius f the 2 curve is m and the cefficient f static frictin between the tires and rad is 0.25? June If a car, travelling at 25.0 m/s, mves arund a banked frictinless curve angled at 7.32, what is the radius f the curve? (A) 19.9 m (C) 63.8 m (B) 37.7 m (D) 496 m 10
11 13. What is true f the velcity f an bject experiencing unifrm circular mtin? 14. Which best represents the acceleratin, a, and frce, F, fr an bject travelling alng a circular path? 15. The diagram belw shws a 3.0 kg ball, suspended by a string, travelling in a hrizntal circular path. If the tensin in the string is 37.8 N and the radius f the circle is 1.2 m, what is the speed f the ball? (A) 3.1 m/s (B) 3.4 m/s (C) 3.9 m/s (D) 9.5 m/s 51. (d) A pail f water n the end f a string revlves at a unifrm rate in a vertical circle f radius 85.0 cm. Its speed is 4.15 m/s and the mass f the pail and water tgether is 1.00 kg. 2% (i) Calculate the magnitude f the tensin in the string when the pail is at the tp f its path. 11
12 2% (ii) At what minimum speed must the pail be travelling when upside dwn at the tp f the circle s that the water des nt fall ut? 2% 51.(e) During a rller caster ride the riders mve thrugh tw lps, the secnd being ne half the radius f the first. The riders travel at the same speed at the tp f each f these tw lps. Using principles f physics, explain why riders wuld experience a greater nrmal frce at the tp f the secnd, smaller lp than at the tp f the first, larger lp. August A car ges arund a curve with a radius f 84 m at a speed f 22 m/s. What is the centripetal acceleratin f the car? 2 2 (A) 0.17 m/s (C) 3.8 m/s 2 2 (B) 0.26 m/s (D) 5.8 m/s 14. If an bject is n a 27 frictinless incline, what will be the acceleratin f the bject n the incline? 2 (A) 0.45 m/s 2 (C) 4.4 m/s 2 (B) 0.55 m/s 2 (D) 8.7 m/s 15. If a student swings a ball, attached by a string, in a hrizntal circle, in which directin wuld the ball travel if the string breaks? (A) in the circular path (C) tangent t the circular path (B) twards the student s hand (D) tangent t the student s hand 12
13 16. What is true f the velcity f an bject experiencing unifrm circular mtin? 17. A runner cmpletes ne lap f a circular track in 37s at a speed f 9.0 m/s. What is the radius f the track? (A) 26 m (C) 330 m (B) 53 m (D) 490 m 18. An 85 kg persn swings n an 8.0 m vine. What is the tensin frce in the vine as the persn passes the lwest pint f the circular path, traveling at 12.5 m/s? (A) 830 N (C) 2500 N (B) 1700 N (D) 6700 N 2% 51.(e) A car mves at 25 m/s arund a level curve with a 50.0 m radius. The centripetal frce prvided by 4 the frictin between the tires and the rad is 1.8 x 10 N. What is the mass f the car? June In the diagram belw, a car is mving suth at a cnstant speed alng a circular path. In which directin is the acceleratin directed? (A) East (B) Nrth (C) Suth (D) West 13
14 12. A pilt executes a vertical dive and fllws thrugh a semi-circular arc as shwn in the diagram belw. When the plane is at the bttm f the arc (pint X), what is true f the nrmal frce n the pilt? (A) greater than Fg, and pinting dwn (B) greater than Fg, and pinting up (C) less than Fg, and pinting dwn (D) less than Fg, and pinting up 13. The rller caster cart shwn belw, passes the pint at the very tp f a lp, which has a radius f 7.00 m. If the nrmal frce is equal t ne half the weight f the cart, what is the speed f the rller caster at this pint? (A) 4.14 m/s (C) 10.1 m/s (B) 8.28 m/s (D) 14.3 m/s 14. A car travels at 21 m/s arund a banked curve. If the radius f the curve is 75 m and assuming frictin is negligible, what is the banking angle? (A) 0.54 (C) 31 (B) 1.6 (D) 81 2% 51. (d) What is the maximum speed at which a 1200 kg car can rund a flat, curved rad, withut slipping, if the radius f the curve is 88.0 m and the cefficient f static frictin is 0.50? 14
15 August The tires n a mving bicycle make ne cmplete rtatin in 0.18 s. If the radius f the tires is 0.42 m, hw fast is the bicycle travelling? (A) 2.3 m/s (C) 4.7 m/s (B) 3.1 m/s (D) 15 m/s 12. What is the centripetal acceleratin f a car as it travels at 36.0 m/s arund a circle with radius m? 2 2 (A) 0.11 m/s (C) 3.8 m/s 2 2 (B) 0.26 m/s (D) 9.4 m/s 13. As the speed f a merry-g-rund dubles, hw des the magnitude f the centripetal frce acting n a passenger change? (A) halves (C) triples (B) dubles (D) quadruples What is the speed f a satellite that rbits Earth km abve the surface? 3 (A) m/s 3 (C) m/s 3 (B) m/s 4 (D) m/s 2% 51.(b) What happens t the mtin f an bject underging unifrm circular mtin if the net frce n the bject becmes zer? 15
16 June Which best describes the directin f the centripetal acceleratin f an bject in unifrm circular mtin? (A) in the directin f mtin (C) ppsite the directin f mtin (B) inward twards the centre f the circle (D) utward frm the centre f the circle 13. What is the perid f a satellite in a gesynchrnus rbit abve Earth? (A) 12 hurs (C) 1 mnth (B) 24 hurs (D) 12 mnths 14. By what factr des the centripetal frce change if a car ges arund a curve at half its riginal speed? (A) decreases by a factr f 2 (C) increases by a factr f 2 (B) decreases by a factr f 4 (D) increases by a factr f A car, travelling at 25.0 m/s, successfully mves arund a banked, frictinless turn angled at What is the radius f this banked curve? (A) 19.9 m (C) 63.8 m (B) 37.7 m (D) 496 m 16. A kg car runds a 50.0 m hrizntal curve with a speed f 15 m/s. If it is travelling with a speed such that it just barely avids slipping n the rad, what is the frce f static frictin between the tires and the rad? 2 3 (A) N (C) N 2 3 (B) N (D) N 3% 51.(c) A car is mving arund a hrizntal curve with a radius f 50.0 m. If the cefficient f static frictin is 0.75, what is the maximum speed fr the car t travel safely arund the curve withut skidding? 16
17 3% 51.(d) The diagram belw represents the lp f a rller caster. If the radius f the lp is 12.0 m, what is the minimum speed, at the tp f the lp, required t prevent passengers frm falling ut? 17
14. Which shows the direction of the centripetal force acting on a mass spun in a vertical circle?
Physics 0 Public Exam Questins Unit 1: Circular Mtin NAME: August 009---------------------------------------------------------------------------------------------------------------------- 1. Which describes
More informationPhys101 Final Code: 1 Term: 132 Wednesday, May 21, 2014 Page: 1
Phys101 Final Cde: 1 Term: 1 Wednesday, May 1, 014 Page: 1 Q1. A car accelerates at.0 m/s alng a straight rad. It passes tw marks that are 0 m apart at times t = 4.0 s and t = 5.0 s. Find the car s velcity
More information"1 O O O. -U -7 P fl> 1 3. jff. (t) o o 1-7- PAa s: A - o 0'»«-« "Tf O ") ftt Ti 0 -- CO -1 O. fa n. i,, I. -n F en 2.0»- 4 T2. -5 Ut.
crv/ 3 P -U -7 P fl> 1 3 (t) jff?- "1 s P 9-1-7- ~* PAa s: A - "C '»«-«in i,, I ftt Ti -- c 4 T2-5 Ut j 3 C -1 p fa n l> -n F en 2.»- "Tf ") r . x 2 "Z * "! t :.!, 21,, V\ C fn
More information= m. Suppose the speed of a wave on a string is given by v = Κ τμ
Phys101 First Majr-11 Zer Versin Sunday, Octber 07, 01 Page: 1 Q1. Find the mass f a slid cylinder f cpper with a radius f 5.00 cm and a height f 10.0 inches if the density f cpper is 8.90 g/cm 3 (1 inch
More informationPhys101 Second Major-061 Zero Version Coordinator: AbdelMonem Saturday, December 09, 2006 Page: 1
Crdinatr: AbdelMnem Saturday, December 09, 006 Page: Q. A 6 kg crate falls frm rest frm a height f.0 m nt a spring scale with a spring cnstant f.74 0 3 N/m. Find the maximum distance the spring is cmpressed.
More informationCHAPTER 8b Static Equilibrium Units
CHAPTER 8b Static Equilibrium Units The Cnditins fr Equilibrium Slving Statics Prblems Stability and Balance Elasticity; Stress and Strain The Cnditins fr Equilibrium An bject with frces acting n it, but
More informationPhys101 First Major-131 Zero Version Coordinator: Dr. A. A. Naqvi Wednesday, September 25, 2013 Page: 1
Phys11 First Majr-11 Zer Versin Crdinatr: Dr. A. A. Naqvi Wednesday, September 5, 1 Page: 1 Q1. Cnsider tw unifrm slid spheres A and B made f the same material and having radii r A and r B, respectively.
More informationSPH3U1 Lesson 06 Kinematics
PROJECTILE MOTION LEARNING GOALS Students will: Describe the mtin f an bject thrwn at arbitrary angles thrugh the air. Describe the hrizntal and vertical mtins f a prjectile. Slve prjectile mtin prblems.
More informationCHAPTER 6 WORK AND ENERGY
CHAPTER 6 WORK AND ENERGY CONCEPTUAL QUESTIONS 16. REASONING AND SOLUTION A trapeze artist, starting rm rest, swings dwnward n the bar, lets g at the bttm the swing, and alls reely t the net. An assistant,
More informationPhysics 212. Lecture 12. Today's Concept: Magnetic Force on moving charges. Physics 212 Lecture 12, Slide 1
Physics 1 Lecture 1 Tday's Cncept: Magnetic Frce n mving charges F qv Physics 1 Lecture 1, Slide 1 Music Wh is the Artist? A) The Meters ) The Neville rthers C) Trmbne Shrty D) Michael Franti E) Radiatrs
More information. (7.1.1) This centripetal acceleration is provided by centripetal force. It is directed towards the center of the circle and has a magnitude
Lecture #7-1 Dynamics f Rtatin, Trque, Static Equilirium We have already studied kinematics f rtatinal mtin We discussed unifrm as well as nnunifrm rtatin Hwever, when we mved n dynamics f rtatin, the
More informationQ x = cos 1 30 = 53.1 South
Crdinatr: Dr. G. Khattak Thursday, August 0, 01 Page 1 Q1. A particle mves in ne dimensin such that its psitin x(t) as a functin f time t is given by x(t) =.0 + 7 t t, where t is in secnds and x(t) is
More informationFaculty of Engineering and Department of Physics Engineering Physics 131 Midterm Examination February 27, 2006; 7:00 pm 8:30 pm
Faculty f Engineering and Department f Physics Engineering Physics 131 Midterm Examinatin February 27, 2006; 7:00 pm 8:30 pm N ntes r textbks allwed. Frmula sheet is n the last page (may be remved). Calculatrs
More informationFlipping Physics Lecture Notes: Simple Harmonic Motion Introduction via a Horizontal Mass-Spring System
Flipping Physics Lecture Ntes: Simple Harmnic Mtin Intrductin via a Hrizntal Mass-Spring System A Hrizntal Mass-Spring System is where a mass is attached t a spring, riented hrizntally, and then placed
More informationASTRODYNAMICS. o o o. Early Space Exploration. Kepler's Laws. Nicolaus Copernicus ( ) Placed Sun at center of solar system
ASTRODYNAMICS Early Space Explratin Niclaus Cpernicus (1473-1543) Placed Sun at center f slar system Shwed Earth rtates n its axis nce a day Thught planets rbit in unifrm circles (wrng!) Jhannes Kepler
More informationAP Physics Kinematic Wrap Up
AP Physics Kinematic Wrap Up S what d yu need t knw abut this mtin in tw-dimensin stuff t get a gd scre n the ld AP Physics Test? First ff, here are the equatins that yu ll have t wrk with: v v at x x
More informationmaking triangle (ie same reference angle) ). This is a standard form that will allow us all to have the X= y=
Intrductin t Vectrs I 21 Intrductin t Vectrs I 22 I. Determine the hrizntal and vertical cmpnents f the resultant vectr by cunting n the grid. X= y= J. Draw a mangle with hrizntal and vertical cmpnents
More informationStudy Guide: PS. 10 Motion, Forces, Work & Simple Machines DESCRIBING MOTION SPEED
DESCRIBING MOTION Distance: hw far smething has mved; SI unit meters (m) Reference pint: nn-mving bject used as a cmparisn pint t detect an bject s mtin. Displacement: the distance between the starting
More informationEXAM #1 PHYSICAL SCIENCE 103 FALLF, 2017
OBJECTIVES 1. Ft Pressure EXAM #1 PHYSICAL SCIENCE 103 FALLF, 2017 Determine the surface area f an bject. Given the weight and surface area, calculate the pressure. 2. Measuring Vlume & Mass Prvided a
More informationf = µ mg = kg 9.8m/s = 15.7N. Since this is more than the applied
Phsics 141H lutins r Hmewrk et #5 Chapter 5: Multiple chice: 8) (a) he maimum rce eerted b static rictin is µ N. ince the blck is resting n a level surace, N = mg. the maimum rictinal rce is ( ) ( ) (
More informationSolution to HW14 Fall-2002
Slutin t HW14 Fall-2002 CJ5 10.CQ.003. REASONING AND SOLUTION Figures 10.11 and 10.14 shw the velcity and the acceleratin, respectively, the shadw a ball that underges unirm circular mtin. The shadw underges
More informationChapter 5: Force and Motion I-a
Chapter 5: rce and Mtin I-a rce is the interactin between bjects is a vectr causes acceleratin Net frce: vectr sum f all the frces n an bject. v v N v v v v v ttal net = i = + + 3 + 4 i= Envirnment respnse
More information1.2.1 Vectors. 1 P age. Examples What is the reference vector angle for a vector that points 50 degrees east of south?
1.2.1 Vectrs Definitins Vectrs are represented n paper by arrws directin = magnitude = Examples f vectrs: Examples What is the reference vectr angle fr a vectr that pints 50 degrees east f suth? What is
More informationEXAM #1 PHYSICAL SCIENCE 103 Spring, 2016
OBJECTIVES 1. Ft Pressure EXAM #1 PHYSICAL SCIENCE 103 Spring, 2016 Determine the surface area f an bject. Given the weight and surface area, calculate the pressure. 2. Measuring Vlume & Mass Prvided a
More informationFlipping Physics Lecture Notes: Simple Harmonic Motion Introduction via a Horizontal Mass-Spring System
Flipping Physics Lecture Ntes: Simple Harmnic Mtin Intrductin via a Hrizntal Mass-Spring System A Hrizntal Mass-Spring System is where a mass is attached t a spring, riented hrizntally, and then placed
More informationPlan o o. I(t) Divide problem into sub-problems Modify schematic and coordinate system (if needed) Write general equations
STAPLE Physics 201 Name Final Exam May 14, 2013 This is a clsed bk examinatin but during the exam yu may refer t a 5 x7 nte card with wrds f wisdm yu have written n it. There is extra scratch paper available.
More informationUCM-Circular Motion. Base your answers to questions 1 and 2 on the information and diagram below.
Base your answers to questions 1 and 2 on the information and diagram The diagram shows the top view of a 65-kilogram student at point A on an amusement park ride. The ride spins the student in a horizontal
More informationCLASS XI SET A PHYSICS
PHYSIS. If the acceleratin f wedge in the shwn arrangement is a twards left then at this instant acceleratin f the blck wuld be, (assume all surfaces t be frictinless) a () ( cs )a () a () cs a If the
More informationPHYSICS LAB Experiment 10 Fall 2004 ROTATIONAL DYNAMICS VARIABLE I, FIXED
ROTATIONAL DYNAMICS VARIABLE I, FIXED In this experiment we will test Newtn s Secnd Law r rtatinal mtin and examine hw the mment inertia depends n the prperties a rtating bject. THE THEORY There is a crrespndence
More informationES201 - Examination 2 Winter Adams and Richards NAME BOX NUMBER
ES201 - Examinatin 2 Winter 2003-2004 Adams and Richards NAME BOX NUMBER Please Circle One : Richards (Perid 4) ES201-01 Adams (Perid 4) ES201-02 Adams (Perid 6) ES201-03 Prblem 1 ( 12 ) Prblem 2 ( 24
More informationCHAPTER 6 -- ENERGY. Approach #2: Using the component of mg along the line of d:
Slutins--Ch. 6 (Energy) CHAPTER 6 -- ENERGY 6.) The f.b.d. shwn t the right has been prvided t identify all the frces acting n the bdy as it mves up the incline. a.) T determine the wrk dne by gravity
More informationAP Physics 1 Lesson 9 Homework Outcomes. Name
AP Physics 1 Lesson 9 Homework Outcomes Name Date 1. Define uniform circular motion. 2. Determine the tangential velocity of an object moving with uniform circular motion. 3. Determine the centripetal
More informationYeu-Sheng Paul Shiue, Ph.D 薛宇盛 Professor and Chair Mechanical Engineering Department Christian Brothers University 650 East Parkway South Memphis, TN
Yeu-Sheng Paul Shiue, Ph.D 薛宇盛 Prfessr and Chair Mechanical Engineering Department Christian Brthers University 650 East Parkway Suth Memphis, TN 38104 Office: (901) 321-3424 Rm: N-110 Fax : (901) 321-3402
More informationQ1. In figure 1, Q = 60 µc, q = 20 µc, a = 3.0 m, and b = 4.0 m. Calculate the total electric force on q due to the other 2 charges.
Phys10 Secnd Majr-08 Zer Versin Crdinatr: Dr. I. M. Nasser Saturday, May 3, 009 Page: 1 Q1. In figure 1, Q = 60 µc, q = 0 µc, a = 3.0 m, and b = 4.0 m. Calculate the ttal electric frce n q due t the ther
More informationFigure 1a. A planar mechanism.
ME 5 - Machine Design I Fall Semester 0 Name f Student Lab Sectin Number EXAM. OPEN BOOK AND CLOSED NOTES. Mnday, September rd, 0 Write n ne side nly f the paper prvided fr yur slutins. Where necessary,
More informationWork, Energy, and Power
rk, Energy, and Pwer Physics 1 There are many different TYPES f Energy. Energy is expressed in JOULES (J 419J 4.19 1 calrie Energy can be expressed mre specifically by using the term ORK( rk The Scalar
More informationFall 2013 Physics 172 Recitation 3 Momentum and Springs
Fall 03 Physics 7 Recitatin 3 Mmentum and Springs Purpse: The purpse f this recitatin is t give yu experience wrking with mmentum and the mmentum update frmula. Readings: Chapter.3-.5 Learning Objectives:.3.
More informationSAMPLE USEFUL INFORMATION: Acceleration due to gravity, gg 9.80 m s 2. Avogadro s number, NN AA particles
USFUL INFORMTION: cceleratin due t gravity, gg 9.80 m s vgadr s number, NN 6.0 3 particles ml Universal gas cnstant, RR 8.314 J K 1 ml 1 Gravitatinal cnstant, GG 6.673 11 N m kg ulmb cnstant, kk 8.99 9
More informationExample 1. A robot has a mass of 60 kg. How much does that robot weigh sitting on the earth at sea level? Given: m. Find: Relationships: W
Eample 1 rbt has a mass f 60 kg. Hw much des that rbt weigh sitting n the earth at sea level? Given: m Rbt = 60 kg ind: Rbt Relatinships: Slutin: Rbt =589 N = mg, g = 9.81 m/s Rbt = mrbt g = 60 9. 81 =
More informationName Period Date A) B) C) D)
Example Problems 9.2 E1. A car rounds a curve of constant radius at a constant speed. Which diagram best represents the directions of both the car s velocity and acceleration? Explain: A) B) C) D) E2.
More informationPhy 213: General Physics III 6/14/2007 Chapter 28 Worksheet 1
Ph 13: General Phsics III 6/14/007 Chapter 8 Wrksheet 1 Magnetic Fields & Frce 1. A pint charge, q= 510 C and m=110-3 m kg, travels with a velcit f: v = 30 ˆ s i then enters a magnetic field: = 110 T ˆj.
More informationCHAPTER 4 Dynamics: Newton s Laws of Motion /newtlaws/newtltoc.html
CHAPTER 4 Dynamics: Newtn s Laws f Mtin http://www.physicsclassrm.cm/class /newtlaws/newtltc.html Frce Newtn s First Law f Mtin Mass Newtn s Secnd Law f Mtin Newtn s Third Law f Mtin Weight the Frce f
More informationSurface and Contact Stress
Surface and Cntact Stress The cncept f the frce is fundamental t mechanics and many imprtant prblems can be cast in terms f frces nly, fr example the prblems cnsidered in Chapter. Hwever, mre sphisticated
More informationDifferentiation Applications 1: Related Rates
Differentiatin Applicatins 1: Related Rates 151 Differentiatin Applicatins 1: Related Rates Mdel 1: Sliding Ladder 10 ladder y 10 ladder 10 ladder A 10 ft ladder is leaning against a wall when the bttm
More information1. In which situation is an object undergoing centripetal acceleration? (C) a car accelerating on a drag strip (D) a hockey puck gliding on ice
Physics 3204 Assignment 2.1 UCM DUE: Thursday Nov 24, 2017 Name: Part A. Multiple Choice: Select the best possible answer. Place the answer on the answer sheet. 1. In which situation is an object undergoing
More informationPhys102 Final-061 Zero Version Coordinator: Nasser Wednesday, January 24, 2007 Page: 1
Crdinatr: Nasser Wednesday, January 4, 007 Page: 1 Q1. Tw transmitters, S 1 and S shwn in the figure, emit identical sund waves f wavelength λ. The transmitters are separated by a distance λ /. Cnsider
More informationGAUSS' LAW E. A. surface
Prf. Dr. I. M. A. Nasser GAUSS' LAW 08.11.017 GAUSS' LAW Intrductin: The electric field f a given charge distributin can in principle be calculated using Culmb's law. The examples discussed in electric
More informationMultiple Choice (A) (B) (C) (D)
Multiple Choice 1. A ball is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle its velocity and acceleration directions are: (A) (B) (C) (D) 2.
More informationB) v `2. C) `2v. D) 2v. E) 4v. A) 2p 25. B) p C) 2p. D) 4p. E) 4p 2 25
1. 3. A ball attached to a string is whirled around a horizontal circle of radius r with a tangential velocity v. If the radius is changed to 2r and the magnitude of the centripetal force is doubled the
More informationFinding the Earth s magnetic field
Labratry #6 Name: Phys 1402 - Dr. Cristian Bahrim Finding the Earth s magnetic field The thery accepted tday fr the rigin f the Earth s magnetic field is based n the mtin f the plasma (a miture f electrns
More informationPhysics 101 Math Review. Solutions
Physics 0 Math eview Slutins . The fllwing are rdinary physics prblems. Place the answer in scientific ntatin when apprpriate and simplify the units (Scientific ntatin is used when it takes less time t
More informationElectric Current and Resistance
Electric Current and Resistance Electric Current Electric current is the rate f flw f charge thrugh sme regin f space The SI unit f current is the ampere (A) 1 A = 1 C / s The symbl fr electric current
More informationLab #3: Pendulum Period and Proportionalities
Physics 144 Chwdary Hw Things Wrk Spring 2006 Name: Partners Name(s): Intrductin Lab #3: Pendulum Perid and Prprtinalities Smetimes, it is useful t knw the dependence f ne quantity n anther, like hw the
More informationStudy Guide Physics Pre-Comp 2013
I. Scientific Measurement Metric Units S.I. English Length Meter (m) Feet (ft.) Mass Kilgram (kg) Pund (lb.) Weight Newtn (N) Ounce (z.) r pund (lb.) Time Secnds (s) Secnds (s) Vlume Liter (L) Galln (gal)
More informationCircular Motion. 2 types of Acceleration. Centripetal Force and Acceleration. In a circle. Constant Velocity vs. Constant Speed.
Circular Motion What does it mean to accelerate Centripetal Force and Acceleration Constant Velocity vs. Constant Speed. 2 types of Acceleration In a circle Direction of acceleration / velocity top view
More information1 Course Notes in Introductory Physics Jeffrey Seguritan
Intrductin & Kinematics I Intrductin Quickie Cncepts Units SI is standard system f units used t measure physical quantities. Base units that we use: meter (m) is standard unit f length kilgram (kg) is
More informationENGI 4430 Parametric Vector Functions Page 2-01
ENGI 4430 Parametric Vectr Functins Page -01. Parametric Vectr Functins (cntinued) Any nn-zer vectr r can be decmpsed int its magnitude r and its directin: r rrˆ, where r r 0 Tangent Vectr: dx dy dz dr
More informationThink of a car turning a corner, or the fun carnival ride, or a satellite orbiting the earth.
Uniform Circular Motion Objects moving in curved(arc, semi circular, circular) path at constant speeds. Think of a car turning a corner, or the fun carnival ride, or a satellite orbiting the earth. When
More informationPHYSICS Unit 3 Trial Examination
STAV Publishing Pty Ltd 005 PHYSICS Unit 3 Trial Examinatin SOLUTIONS BOOK Published by STAV Publishing Pty Ltd. STAV Huse, 5 Munr Street, Cburg VIC 3058 Australia. Phne: 6 + 3 9385 3999 Fax: 6 + 3 9386
More informationCentripetal Force and Centripetal Acceleration Questions
Centripetal Force and Centripetal Acceleration Questions A 2.10 m rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a tangential speed of 2.50 m/s. If the magnitude of the
More informationEquilibrium of Stress
Equilibrium f Stress Cnsider tw perpendicular planes passing thrugh a pint p. The stress cmpnents acting n these planes are as shwn in ig. 3.4.1a. These stresses are usuall shwn tgether acting n a small
More informationName St. Mary's HS AP Physics Circular Motion HW
Name St. Mary's HS AP Physics Circular Motion HW Base your answers to questions 1 and 2 on the following situation. An object weighing 10 N swings at the end of a rope that is 0.72 m long as a simple pendulum.
More informationA) 0.77 N B) 0.24 N C) 0.63 N D) 0.31 N E) 0.86 N. v = ω k = 80 = 32 m/s. Ans: (32) 2 = 0.77 N
Q1. A transverse sinusidal wave travelling n a string is given by: y (x,t) = 0.20 sin (2.5 x 80 t) (SI units). The length f the string is 2.0 m and its mass is 1.5 g. What is the magnitude f the tensin
More informationAP Physics Laboratory #4.1: Projectile Launcher
AP Physics Labratry #4.1: Prjectile Launcher Name: Date: Lab Partners: EQUIPMENT NEEDED PASCO Prjectile Launcher, Timer, Phtgates, Time f Flight Accessry PURPOSE The purpse f this Labratry is t use the
More informationPSI AP Physics B Circular Motion
PSI AP Physics B Circular Motion Multiple Choice 1. A ball is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle its velocity and acceleration directions
More informationPhysics 2010 Motion with Constant Acceleration Experiment 1
. Physics 00 Mtin with Cnstant Acceleratin Experiment In this lab, we will study the mtin f a glider as it accelerates dwnhill n a tilted air track. The glider is supprted ver the air track by a cushin
More informationQ1. A string of length L is fixed at both ends. Which one of the following is NOT a possible wavelength for standing waves on this string?
Term: 111 Thursday, January 05, 2012 Page: 1 Q1. A string f length L is fixed at bth ends. Which ne f the fllwing is NOT a pssible wavelength fr standing waves n this string? Q2. λ n = 2L n = A) 4L B)
More information2015 Regional Physics Exam Solution Set
05 Reginal hysics Exa Slutin Set. Crrect answer: D Nte: [quantity] dentes: units f quantity WYSE Acadeic Challenge 05 Reginal hysics Exa SOLUTION SET r F r a lengthass length / tie ass length / tie. Crrect
More information37 Maxwell s Equations
37 Maxwell s quatins In this chapter, the plan is t summarize much f what we knw abut electricity and magnetism in a manner similar t the way in which James Clerk Maxwell summarized what was knwn abut
More informationUpon collision, the clay and steel block stick together and move to the right with a speed of
1. A 2.0-kilogram ball traveling north at 4.0 meters per second collides head on with a 1.0-kilogram ball traveling south at 8.0 meters per second. What is the magnitude of the total momentum of the two
More informationProfessional Development. Implementing the NGSS: High School Physics
Prfessinal Develpment Implementing the NGSS: High Schl Physics This is a dem. The 30-min vide webinar is available in the full PD. Get it here. Tday s Learning Objectives NGSS key cncepts why this is different
More informationHATZIC SECONDARY SCHOOL
HATZIC SECONDARY SCHOOL PROVINCIAL EXAMINATION ASSIGNMENT CIRCULAR MOTION MULTIPLE CHOICE / 30 OPEN ENDED / 65 TOTAL / 95 NAME: 1. An object travels along a path at constant speed. There is a constant
More informationAP Physics. Summer Assignment 2012 Date. Name. F m = = + What is due the first day of school? a. T. b. = ( )( ) =
P Physics Name Summer ssignment 0 Date I. The P curriculum is extensive!! This means we have t wrk at a fast pace. This summer hmewrk will allw us t start n new Physics subject matter immediately when
More informationPhysics 12. Unit 5 Circular Motion and Gravitation Part 1
Physics 12 Unit 5 Circular Motion and Gravitation Part 1 1. Nonlinear motions According to the Newton s first law, an object remains its tendency of motion as long as there is no external force acting
More informationQ1. A) 48 m/s B) 17 m/s C) 22 m/s D) 66 m/s E) 53 m/s. Ans: = 84.0 Q2.
Phys10 Final-133 Zer Versin Crdinatr: A.A.Naqvi Wednesday, August 13, 014 Page: 1 Q1. A string, f length 0.75 m and fixed at bth ends, is vibrating in its fundamental mde. The maximum transverse speed
More informationCorrections for the textbook answers: Sec 6.1 #8h)covert angle to a positive by adding period #9b) # rad/sec
U n i t 6 AdvF Date: Name: Trignmetric Functins Unit 6 Tentative TEST date Big idea/learning Gals In this unit yu will study trignmetric functins frm grade, hwever everything will be dne in radian measure.
More informationAircraft Performance - Drag
Aircraft Perfrmance - Drag Classificatin f Drag Ntes: Drag Frce and Drag Cefficient Drag is the enemy f flight and its cst. One f the primary functins f aerdynamicists and aircraft designers is t reduce
More informationPages with the symbol indicate that a student should be prepared to complete items like these with or without a calculator. tan 2.
Semester Eam Review The semester A eaminatin fr Hnrs Precalculus cnsists f tw parts. Part 1 is selected respnse n which a calculatr will NOT be allwed. Part is shrt answer n which a calculatr will be allwed.
More informationCircular Motion 1
--------------------------------------------------------------------------------------------------- Circular Motion 1 ---------------------------------------------------------------------------------------------------
More informationReview for the final exam (Math 127)
. Evaluate 3 tan tan 4 3 (b) (c) cs cs 4 7 3 sec cs 4 4 (d) cs tan 3 Review fr the final eam (Math 7). If sec, and 7 36, find cs, sin, tan, ct, csc tan (b) If, evaluate cs, sin 7 36 (c) Write the csc in
More informationPrecalculus A. Semester Exam Review
Precalculus A 015-016 MCPS 015 016 1 The semester A eaminatin fr Precalculus cnsists f tw parts. Part 1 is selected respnse n which a calculatr will NOT be allwed. Part is shrt answer n which a calculatr
More informationWYSE Academic Challenge Sectional Physics 2007 Solution Set
WYSE caemic Challenge Sectinal Physics 7 Slutin Set. Crrect answer: E. Energy has imensins f frce times istance. Since respnse e. has imensins f frce ivie by istance, it clearly es nt represent energy.
More informationCircular Motion.
1 Circular Motion www.njctl.org 2 Topics of Uniform Circular Motion (UCM) Kinematics of UCM Click on the topic to go to that section Period, Frequency, and Rotational Velocity Dynamics of UCM Vertical
More informationChapter 2. Kinematics in One Dimension. Kinematics deals with the concepts that are needed to describe motion.
Chapter Kinematics in One Dimensin Kinematics deals with the cncepts that are needed t describe mtin. Dynamics deals with the effect that frces have n mtin. Tgether, kinematics and dynamics frm the branch
More informationi-clicker i-clicker Newton s Laws of Motion First Exam Coming Up! Components of Equation of Motion
First Eam Cming Up! Sunda, 1 Octber 6:10 7:30 PM. Lcatins t be psted nline. Yes this is a Sunda! There will be 17 questins n eam. If u have a legitimate cnflict, u must ask Prf. Shapir b Oct. 8 fr permissin
More informationChapter 2 GAUSS LAW Recommended Problems:
Chapter GAUSS LAW Recmmended Prblems: 1,4,5,6,7,9,11,13,15,18,19,1,7,9,31,35,37,39,41,43,45,47,49,51,55,57,61,6,69. LCTRIC FLUX lectric flux is a measure f the number f electric filed lines penetrating
More informationChapter 3 Kinematics in Two Dimensions; Vectors
Chapter 3 Kinematics in Tw Dimensins; Vectrs Vectrs and Scalars Additin f Vectrs Graphical Methds (One and Tw- Dimensin) Multiplicatin f a Vectr b a Scalar Subtractin f Vectrs Graphical Methds Adding Vectrs
More informationStage 6 PROMPT sheet. 2 > -2 We say 2 is bigger than -2-2 < 2 We say -2 is less than 2. 6/2 Negative numbers. l l l l l l l
Stage 6 PROMPT sheet 6/ Place value in numbers t 0millin The psitin f the digit gives its size Ten millins Millins Hundred thusands Ten thusands thusands hundreds tens units 4 5 6 7 8 Example The value
More information3 UCM & Gravity Student Physics Regents Date
Student Physics Regents Date 1. Which diagram best represents the gravitational forces, Fg, between a satellite, S, and Earth? A) B) 4. Gravitational force exists between point objects and separated by
More informationTOPPER SAMPLE PAPER 2 Class XII- Physics
TOPPER SAMPLE PAPER 2 Class XII- Physics Time: Three Hurs Maximum Marks: 70 General Instructins (a) All questins are cmpulsry. (b) There are 30 questins in ttal. Questins 1 t 8 carry ne mark each, questins
More informationCircular Velocity and Centripetal Acceleration
1. An object is spun around in circular motion such that it completes 100 cycles in 25 s. a. What is the period of its rotation? [0.25 s] b. If the radius is 0.3 m what is the velocity? [7.54 m/s] c. Draw
More informationCircular Motion and Gravitation Practice Test Provincial Questions
Circular Motion and Gravitation Practice Test Provincial Questions 1. A 1 200 kg car is traveling at 25 m s on a horizontal surface in a circular path of radius 85 m. What is the net force acting on this
More informationPHYS 314 HOMEWORK #3
PHYS 34 HOMEWORK #3 Due : 8 Feb. 07. A unifrm chain f mass M, lenth L and density λ (measured in k/m) hans s that its bttm link is just tuchin a scale. The chain is drpped frm rest nt the scale. What des
More information5. A car moves with a constant speed in a clockwise direction around a circular path of radius r, as represented in the diagram above.
1. The magnitude of the gravitational force between two objects is 20. Newtons. If the mass of each object were doubled, the magnitude of the gravitational force between the objects would be A) 5.0 N B)
More informationThree charges, all with a charge of 10 C are situated as shown (each grid line is separated by 1 meter).
Three charges, all with a charge f 0 are situated as shwn (each grid line is separated by meter). ) What is the net wrk needed t assemble this charge distributin? a) +0.5 J b) +0.8 J c) 0 J d) -0.8 J e)
More informationEmpiricism, objectivity and falsifiability are important scientific tenets. Together they tell us that
Hmewrk 1! This is a preview f the draft versin f the quiz Started: Jan 27 at 9:12am Quiz Instruc!ns Questin 1 Empiricism, bjectivity and falsifiability are imprtant scientific tenets. Tgether they tell
More informationNWACC Dept of Mathematics Dept Final Exam Review for Trig - Part 3 Trigonometry, 9th Edition; Lial, Hornsby, Schneider Fall 2008
NWACC Dept f Mathematics Dept Final Exam Review fr Trig - Part Trignmetry, 9th Editin; Lial, Hrnsby, Schneider Fall 008 Departmental Objectives: Departmental Final Exam Review fr Trignmetry Part : Chapters
More informationMathacle PSet ---- Algebra, Trigonometry Functions Level Number Name: Date:
PSet ---- Algebra, Trignmetry Functins I. DEFINITIONS OF THE SIX TRIG FUNCTIONS. Find the value f the trig functin indicated 1 PSet ---- Algebra, Trignmetry Functins Find the value f each trig functin.
More informationSAFE HANDS & IIT-ian's PACE EDT-04 (JEE) Solutions
ED- (JEE) Slutins Answer : Optin () ass f the remved part will be / I Answer : Optin () r L m (u csθ) (H) Answer : Optin () P 5 rad/s ms - because f translatin ωr ms - because f rtatin Cnsider a thin shell
More informationHooke s Law (Springs) DAVISSON. F A Deformed. F S is the spring force, in newtons (N) k is the spring constant, in N/m
HYIC 534 XRCI-4 ANWR Hke s Law (prings) DAVION Clintn Davissn was awarded the Nbel prize fr physics in 1937 fr his wrk n the diffractin f electrns. A spring is a device that stres ptential energy. When
More information