x(m) t(sec ) Homework #2. Ph 231 Introductory Physics, Sp-03 Page 1 of 4
|
|
- Rose McDonald
- 5 years ago
- Views:
Transcription
1 Homework #2. Ph 231 Inroducory Physics, Sp-03 Page 1 of 4 2-1A. A person walks 2 miles Eas (E) in 40 minues and hen back 1 mile Wes (W) in 20 minues. Wha are her average speed and average velociy (in ha order) in miles/hr (mph)? (a) 1 mph; 3 mph E (b) 3 mph; 1 mph W (c) 3 mph; 1 mph E (d) 4 mph; 1 mph E (e) 3 mph; 0 mph E 2-2A. Which one of he following saemens is wrong? Neglec air resisance. (a) When a ball hrown verically up is sill rising, is velociy and acceleraion are in opposie direcions. (b) An objec can be increasing in speed as is acceleraion decreases in magniude. (c) A ball is dropped sraigh down from a ower and simulaneously an idenical ball is hrown horizonally from he same place wih speed = 2 m/s. The second ball should hi he ground firs. (d) In a 2 lap qualifying hea on a circular rack, a racing car covers he firs lap a an average speed of 100 mi/hr. I is hen impossible for he car o average 205 mi/hr for he enire 2 lap hea. (e) When a ball hrown verically up is laer falling, is velociy and acceleraion are in he same direcion. 2-3A. A ball is hrown sraigh up ino he air by a person sanding on he ground. Consider hree separae imes: (A) while i is sill on is way UP ( ); (B) when i is a he TOP of is fligh; and (C) while i is on he way DOWN ( ). Which one of he following ses of arrows correcly describes he direcions of velociy (v ) and acceleraion (a ) a hese hree imes as seen by he sanding person? (a) (A) v, a (b) (A) v, a (c) (A) v, a (d) (A) v, a (e) (A) v, a (B) v = 0, a (B) v = 0, a = 0 (B) v = 0, a (B) v = 0, a (B) v = 0, a (C) v, a (C) v, a (C) v, a (C) v, a (C) v, a 2-4A. Which one of he following saemens is WRONG? (a) A he op of he fligh of a ball hrown verically upward, is velociy is zero. (b) An objec s velociy can pass hrough zero while he objec is acceleraing. (c) The velociy of an objec can reverse direcion while is acceleraion is consan. (d) An objec can have a consan velociy and sill have a varying speed. (e) I would be unreasonable o neglec air resisance in analysing he fall of a feaher. 2-5A. Wha are your average speed and average velociy (in ha order) for he whole rip if you go from x = 5 m o x = 20 m in 4 sec and hen from x = 20 m o x = 17 m in 2 sec? Take posiive x as +. (a) 3 m/s, +2 m/s (b) 2 m/s, + 3m/s (c) 2 m/s, +2 m/s (d) 3 m/s, - 2 m/s (e) None of hese is close. 2-6A. The figure a he righ shows x(), he posiion as a funcion of ime,, of a paricle moving along he xxis. Wha is he average velociy of his paricle for he ime period 0 o 4 sec? (a) + 2 m/s (b) m/s (c) m/s (d) + 1 m/s (e) You can only calculae i if x() is a sraigh line. 2-7A. An objec is dropped from res. Neglec air resisance. If i falls a disance s 1 during he firs second, how far is s 2, he disance i falls during he second second? Tha is, he raio s 2 /s 1 =: (a) 1 (b) 2 (c) 4 (d) 3 (e) 8 x x(m) (sec ) 2-8A. The figure a he righ shows he posiion as a funcion of ime of a paricle moving in a sraigh line. Which one of he following graphs bes describes is velociy as a funcion of ime? (a) (b) (c) (d) (e)
2 Homework #2. Ph 231 Inroducory Physics, Sp-03 Page 2 of A. Abou how far does your car, moving a 100 km/hr, ravel forward during he 1 sec. of ime ha you ake o look a a roadside acciden? (a) 100 km (b) 100 m (c) 28 m (d) 56 m (e) None of hese is close. 2-10A. An airplane ouches down wih a landing speed of 220 km/hr and akes 9 sec o sop. If i sops wih consan acceleraion, abou how far in meers does i ravel during hose 9 sec? (a) 550 m (b) 55 m (c) 1980 m (d) 275 m (e) You don have enough informaion o ell. 2-11A. Neglecing air resisance, and aking g = 10 m/s 2, a sone dropped from res off a 45 m all building would hi he ground in abou how many seconds? (a) 0.5 sec. (b) 4.5 sec (c) 9.5 sec (d) 3 sec (e) None of hese. 2-12A. A car raveling wih iniial speed v, comes o a sop in ime, having covered disance d. The deceleraion a during ime is consan. Which of he following saemens is correc? (a) d = v/2 (b) v(average) = v/ (c) a = v/2. (d) d = (v 2 )/2 (e) None of hese is correc. 2-13A. A ball is hrown upward wih iniial speed v = 20 m/s. How high does i rise? And how long does i ake o reach is maximum heigh? Assume is acceleraion has magniude 10 m/s 2. (a) 10m, 2 sec (b) 20 m, 1 sec (c) 20m, 2 sec (d) 10 m, 1 sec (e) None of hese is correc. 2-14A. Two cars A and B are raveling a speeds v A and v B, respecively, direcly oward each oher. A = 0 hey are 2 km apar. The ime when hey pass each oher is proporional o: (a) 1/(v A - v B ) (b) v A + v B (c) v B v A (d) 1/(v A + v B ) (e) v A v B 2-15A. The figure a he righ shows he velociy v as a funcion of ime for a paricle moving along he xxis. On which segmen A, B, or C, is he magniude of is acceleraion larges, and on which segmen (if any) is is acceleraion negaive? (a) A, A (b) B, B (c) C, C (d) B, A (e) A,C v 0 a A B b C c
3 Homework #2. Ph 231 Inroducory Physics, Sp-03 Page 3 of 4 2-1B. A person walks 1 mile Eas (E) in 20 minues and hen runs back he 1 mile Wes (W) in 10 minues. Wha are her average speed and average velociy (in ha order) in miles/hr (mph )? (a) 4 mph; 0 mph E (b) 3 mph; 4 mph E (c) 0 mph; 4 mph E (d) 4 mph; 1 mph E (e) 3 mph; 0 mph E 2-2B. Which one of he following saemens is wrong? Neglec air resisance. (a) When a ball hrown verically up is sill rising, is velociy and acceleraion are in opposie direcions. (b) An objec can be decreasing in speed as is acceleraion decreases in magniude. (c) A ball is dropped sraigh down from a ower and simulaneously an idenical ball is hrown horizonally from he same place wih speed = 2 m/s. Boh balls should hi he ground a he same ime. (d) In a 2 lap qualifying hea for a race on a circular rack, a racing car covers he firs lap a an average speed of 100 mi/hr. The car can sill average 205 mi/hr for he 2 lap hea. (e) While a ball hrown verically upward is falling, is velociy and acceleraion are in he same direcion. 2-3B. A ball is hrown verically upward, reaches is highes poin, and falls back down. Which one of he following is rue abou is velociy v and is acceleraion a during is rip? (a) When i moves up, v is up and a is up. (b) When i moves up, v is up and a is down. (c) When i moves up, v is down and a is up. (d) When i moves down, v is up and a is down. (e) When i moves down v is down and a is up. 2-4B. Which one of he following saemens is WRONG? (a) A he op of he fligh of a ball hrown verically upward, is velociy is direced downward. (b) An objec s velociy can pass hrough zero while he objec is acceleraing. (c) The velociy of an objec can reverse direcion while is acceleraion is consan. (d) If an objec s speed is varying, is velociy mus be varying. (e) I would be unreasonable o neglec air resisance in analysing he fall of a feaher. 2-5B. Wha are your average speed and average velociy (in ha order) for he whole rip if you go from x = 5 m o x = 10 m in 3 sec and hen from x = 10 m o x = -5 m in 2 sec? Take posiive x as +. (a) 2 m/s, - 2m/s (b) 4 m/s, -2 m/s (c) 4 m/s, + 2 m/s (d) 4 m/s, + 2 m/s (e) None of hese is close. 2-6B. The figure a he righ shows x(), he posiion as a funcion of ime,, of a paricle moving along he xxis. Wha is he average velociy of his paricle for he ime period 1 o 4 sec? (a) m/s (b) m/s (c) m/s (d) + 1 m/s (e) You can only calculae i if x() is a sraigh line. x(m ) B. An objec is dropped from res. Neglec air resisance. If i falls a disance s 1 during he firs second, how far is s 3, he disance i falls during he hird second? Tha is, he raio s 3 /s 1 =: (a) 1 (b) 2 (c) 3 (d) 6 (e) 5 (sec) 2-8B. The figure a he righ shows he velociy of a car as a funcion of ime. Which one of he following graphs mos closely describes is acceleraion as a funcion of ime? (a) (b) (c) (d) (e)
4 Homework #2. Ph 231 Inroducory Physics, Sp-03 Page 4 of 4 2-9B. Abou how far does your car, moving a 70 mi/hr, ravel forward during he 2 sec. of ime ha you migh ake o look a a roadside acciden? (a) 140 f (b) 35 f (c) 102 f (d) 205 f (e) None of hese is close. 2-10B. A drag racer acceleraes wih consan acceleraion from 0 o 100 km/hr in 6 sec. Abou how far does she ravel during he 6 sec.? (a) 300 km (b) 83 m (c) 300 m (d) 167 km (e) You don have enough informaion o ell 2-11B. Neglecing air resisance, a sone hrown horizonally a a speed of v = 30 m/sec from he op of an 80 m all building would hi he ground afer how many seconds? Take g = 10 m/s 2. (a) 4 sec (b) 3 sec (c) 8 sec (c) 8/3 sec. (d) No enough informaion o ell. 2-12B. A car raveling wih iniial speed v, comes o a sop in ime, having covered disance d. The deceleraion a during ime is consan. Which one of he following saemens is correc? (a) a = /2 (b) d = (v 2 )/2 (c) d = v (d) v(average) = v/2 (e) None of hese is correc. 2-13B. A ball is hrown upward wih iniial speed v = 40 m/s. How high does i rise? And how long does i ake o reach is maximum heigh? Assume is acceleraion has magniude 10 m/s 2. (a) 40m, 4 sec (b) 40 m, 2 sec (c) 80m, 8 sec (d) 80 m, 4 sec (e) None of hese is correc. 2-14B. Two cars A and B are raveling a speeds v A and v B, respecively, direcly away from each oher. A = 0 hey are 2 km apar. The ime when hey pass each oher is proporional o: (a) 1/(v A - v B ) (b) v A + v B (c) v B v A (d) 1/(v A + v B ) (e) v B v A 2-15B. The figure a he righ shows he velociy v as a funcion of ime for a paricle moving along he xxis. On which segmen A, B, or C, is is acceleraion negaive, and a which poin a,b, or c, is i furhes from he origin? (a) A, a (b) B, b (c) C, c (d) A, c (e) C, b v B b C c 0 A a
5 2-1A) c 2A) c 3A) e 4A) d 5A) a 6A) b 7A) d 8A) c 9A) c 10A) d 11A) d 12A) a 13A) c 14A) d 15A) e 2-1B) a 2B) d 3B) b 4B) a 5B) b 6B) d 7B) e 8B) d 9B) d 10B) b 11B) a 12B) e 13B) d 14B) d 15B) d
KINEMATICS IN ONE DIMENSION
KINEMATICS IN ONE DIMENSION PREVIEW Kinemaics is he sudy of how hings move how far (disance and displacemen), how fas (speed and velociy), and how fas ha how fas changes (acceleraion). We say ha an objec
More informationSuggested Practice Problems (set #2) for the Physics Placement Test
Deparmen of Physics College of Ars and Sciences American Universiy of Sharjah (AUS) Fall 014 Suggesed Pracice Problems (se #) for he Physics Placemen Tes This documen conains 5 suggesed problems ha are
More informationIB Physics Kinematics Worksheet
IB Physics Kinemaics Workshee Wrie full soluions and noes for muliple choice answers. Do no use a calculaor for muliple choice answers. 1. Which of he following is a correc definiion of average acceleraion?
More informationPhysics 221 Fall 2008 Homework #2 Solutions Ch. 2 Due Tues, Sept 9, 2008
Physics 221 Fall 28 Homework #2 Soluions Ch. 2 Due Tues, Sep 9, 28 2.1 A paricle moving along he x-axis moves direcly from posiion x =. m a ime =. s o posiion x = 1. m by ime = 1. s, and hen moves direcly
More informationDisplacement ( x) x x x
Kinemaics Kinemaics is he branch of mechanics ha describes he moion of objecs wihou necessarily discussing wha causes he moion. 1-Dimensional Kinemaics (or 1- Dimensional moion) refers o moion in a sraigh
More information2. What is the displacement of the bug between t = 0.00 s and t = 20.0 s? A) cm B) 39.9 cm C) cm D) 16.1 cm E) +16.
1. For which one of he following siuaions will he pah lengh equal he magniude of he displacemen? A) A jogger is running around a circular pah. B) A ball is rolling down an inclined plane. C) A rain ravels
More informationOf all of the intellectual hurdles which the human mind has confronted and has overcome in the last fifteen hundred years, the one which seems to me
Of all of he inellecual hurdles which he human mind has confroned and has overcome in he las fifeen hundred years, he one which seems o me o have been he mos amazing in characer and he mos supendous in
More information1. The graph below shows the variation with time t of the acceleration a of an object from t = 0 to t = T. a
Kinemaics Paper 1 1. The graph below shows he ariaion wih ime of he acceleraion a of an objec from = o = T. a T The shaded area under he graph represens change in A. displacemen. B. elociy. C. momenum.
More informationWEEK-3 Recitation PHYS 131. of the projectile s velocity remains constant throughout the motion, since the acceleration a x
WEEK-3 Reciaion PHYS 131 Ch. 3: FOC 1, 3, 4, 6, 14. Problems 9, 37, 41 & 71 and Ch. 4: FOC 1, 3, 5, 8. Problems 3, 5 & 16. Feb 8, 018 Ch. 3: FOC 1, 3, 4, 6, 14. 1. (a) The horizonal componen of he projecile
More informationPHYSICS 149: Lecture 9
PHYSICS 149: Lecure 9 Chaper 3 3.2 Velociy and Acceleraion 3.3 Newon s Second Law of Moion 3.4 Applying Newon s Second Law 3.5 Relaive Velociy Lecure 9 Purdue Universiy, Physics 149 1 Velociy (m/s) The
More informationUnit 1 Test Review Physics Basics, Movement, and Vectors Chapters 1-3
A.P. Physics B Uni 1 Tes Reiew Physics Basics, Moemen, and Vecors Chapers 1-3 * In sudying for your es, make sure o sudy his reiew shee along wih your quizzes and homework assignmens. Muliple Choice Reiew:
More informationQ2.1 This is the x t graph of the motion of a particle. Of the four points P, Q, R, and S, the velocity v x is greatest (most positive) at
Q2.1 This is he x graph of he moion of a paricle. Of he four poins P, Q, R, and S, he velociy is greaes (mos posiive) a A. poin P. B. poin Q. C. poin R. D. poin S. E. no enough informaion in he graph o
More information0 time. 2 Which graph represents the motion of a car that is travelling along a straight road with a uniformly increasing speed?
1 1 The graph relaes o he moion of a falling body. y Which is a correc descripion of he graph? y is disance and air resisance is negligible y is disance and air resisance is no negligible y is speed and
More information2.1: What is physics? Ch02: Motion along a straight line. 2.2: Motion. 2.3: Position, Displacement, Distance
Ch: Moion along a sraigh line Moion Posiion and Displacemen Average Velociy and Average Speed Insananeous Velociy and Speed Acceleraion Consan Acceleraion: A Special Case Anoher Look a Consan Acceleraion
More information1. VELOCITY AND ACCELERATION
1. VELOCITY AND ACCELERATION 1.1 Kinemaics Equaions s = u + 1 a and s = v 1 a s = 1 (u + v) v = u + as 1. Displacemen-Time Graph Gradien = speed 1.3 Velociy-Time Graph Gradien = acceleraion Area under
More informationt A. 3. Which vector has the largest component in the y-direction, as defined by the axes to the right?
Ke Name Insrucor Phsics 1210 Exam 1 Sepember 26, 2013 Please wrie direcl on he exam and aach oher shees of work if necessar. Calculaors are allowed. No noes or books ma be used. Muliple-choice problems
More informationSOLUTIONS TO CONCEPTS CHAPTER 3
SOLUTIONS TO ONEPTS HPTER 3. a) Disance ravelled = 50 + 40 + 0 = 0 m b) F = F = D = 50 0 = 30 M His displacemen is D D = F DF 30 40 50m In ED an = DE/E = 30/40 = 3/4 = an (3/4) His displacemen from his
More informationx i v x t a dx dt t x
Physics 3A: Basic Physics I Shoup - Miderm Useful Equaions A y A sin A A A y an A y A A = A i + A y j + A z k A * B = A B cos(θ) A B = A B sin(θ) A * B = A B + A y B y + A z B z A B = (A y B z A z B y
More informationPhysics 180A Fall 2008 Test points. Provide the best answer to the following questions and problems. Watch your sig figs.
Physics 180A Fall 2008 Tes 1-120 poins Name Provide he bes answer o he following quesions and problems. Wach your sig figs. 1) The number of meaningful digis in a number is called he number of. When numbers
More informationIn this chapter the model of free motion under gravity is extended to objects projected at an angle. When you have completed it, you should
Cambridge Universiy Press 978--36-60033-7 Cambridge Inernaional AS and A Level Mahemaics: Mechanics Coursebook Excerp More Informaion Chaper The moion of projeciles In his chaper he model of free moion
More informationPhysics 3A: Basic Physics I Shoup Sample Midterm. Useful Equations. x f. x i v x. a x. x i. v xi v xf. 2a x f x i. y f. a r.
Physics 3A: Basic Physics I Shoup Sample Miderm Useful Equaions A y Asin A A x A y an A y A x A = A x i + A y j + A z k A * B = A B cos(θ) A x B = A B sin(θ) A * B = A x B x + A y B y + A z B z A x B =
More informationPhysics Notes - Ch. 2 Motion in One Dimension
Physics Noes - Ch. Moion in One Dimension I. The naure o physical quaniies: scalars and ecors A. Scalar quaniy ha describes only magniude (how much), NOT including direcion; e. mass, emperaure, ime, olume,
More informationSolution: b All the terms must have the dimension of acceleration. We see that, indeed, each term has the units of acceleration
PHYS 54 Tes Pracice Soluions Spring 8 Q: [4] Knowing ha in he ne epression a is acceleraion, v is speed, is posiion and is ime, from a dimensional v poin of view, he equaion a is a) incorrec b) correc
More informationKinematics Vocabulary. Kinematics and One Dimensional Motion. Position. Coordinate System in One Dimension. Kinema means movement 8.
Kinemaics Vocabulary Kinemaics and One Dimensional Moion 8.1 WD1 Kinema means movemen Mahemaical descripion of moion Posiion Time Inerval Displacemen Velociy; absolue value: speed Acceleraion Averages
More informationToday: Falling. v, a
Today: Falling. v, a Did you ge my es email? If no, make sure i s no in your junk box, and add sbs0016@mix.wvu.edu o your address book! Also please email me o le me know. I will be emailing ou pracice
More information3.6 Derivatives as Rates of Change
3.6 Derivaives as Raes of Change Problem 1 John is walking along a sraigh pah. His posiion a he ime >0 is given by s = f(). He sars a =0from his house (f(0) = 0) and he graph of f is given below. (a) Describe
More informationMotion along a Straight Line
chaper 2 Moion along a Sraigh Line verage speed and average velociy (Secion 2.2) 1. Velociy versus speed Cone in he ebook: fer Eample 2. Insananeous velociy and insananeous acceleraion (Secions 2.3, 2.4)
More informationGround Rules. PC1221 Fundamentals of Physics I. Kinematics. Position. Lectures 3 and 4 Motion in One Dimension. A/Prof Tay Seng Chuan
Ground Rules PC11 Fundamenals of Physics I Lecures 3 and 4 Moion in One Dimension A/Prof Tay Seng Chuan 1 Swich off your handphone and pager Swich off your lapop compuer and keep i No alking while lecure
More informationRELATIVE MOTION. Contents. Theory 01. Exercise Exercise Exercise Exercise Answer Key 13.
RELAIVE MOION Conens opic Page No. heory 01 Exercise - 1 0-07 Exercise - 08-09 Exercise - 3 09-11 Exercise - 4 1 Answer Key 13 Syllabus Relaive Velociy Name : Conac No. ARRIDE LEARNING ONLINE E-LEARNING
More information9702/1/O/N/02. are set up a vertical distance h apart. M 1 M 2. , it is found that the ball takes time t 1. to reach M 2 ) 2
PhysicsndMahsTuor.com 7 car is ravelling wih uniform acceleraion along a sraigh road. The road has marker poss every 1 m. When he car passes one pos, i has a speed of 1 m s 1 and, when i passes he nex
More informationPracticing Problem Solving and Graphing
Pracicing Problem Solving and Graphing Tes 1: Jan 30, 7pm, Ming Hsieh G20 The Bes Ways To Pracice for Tes Bes If need more, ry suggesed problems from each new opic: Suden Response Examples A pas opic ha
More informationPhysics 101 Fall 2006: Exam #1- PROBLEM #1
Physics 101 Fall 2006: Exam #1- PROBLEM #1 1. Problem 1. (+20 ps) (a) (+10 ps) i. +5 ps graph for x of he rain vs. ime. The graph needs o be parabolic and concave upward. ii. +3 ps graph for x of he person
More informationBest test practice: Take the past test on the class website
Bes es pracice: Take he pas es on he class websie hp://communiy.wvu.edu/~miholcomb/phys11.hml I have posed he key o he WebAssign pracice es. Newon Previous Tes is Online. Forma will be idenical. You migh
More informationLecture 2-1 Kinematics in One Dimension Displacement, Velocity and Acceleration Everything in the world is moving. Nothing stays still.
Lecure - Kinemaics in One Dimension Displacemen, Velociy and Acceleraion Everyhing in he world is moving. Nohing says sill. Moion occurs a all scales of he universe, saring from he moion of elecrons in
More informationPhysics 20 Lesson 5 Graphical Analysis Acceleration
Physics 2 Lesson 5 Graphical Analysis Acceleraion I. Insananeous Velociy From our previous work wih consan speed and consan velociy, we know ha he slope of a posiion-ime graph is equal o he velociy of
More informationEquations of motion for constant acceleration
Lecure 3 Chaper 2 Physics I 01.29.2014 Equaions of moion for consan acceleraion Course websie: hp://faculy.uml.edu/andriy_danylo/teaching/physicsi Lecure Capure: hp://echo360.uml.edu/danylo2013/physics1spring.hml
More informationPhys 221 Fall Chapter 2. Motion in One Dimension. 2014, 2005 A. Dzyubenko Brooks/Cole
Phys 221 Fall 2014 Chaper 2 Moion in One Dimension 2014, 2005 A. Dzyubenko 2004 Brooks/Cole 1 Kinemaics Kinemaics, a par of classical mechanics: Describes moion in erms of space and ime Ignores he agen
More informationPhysics 30: Chapter 2 Exam Momentum & Impulse
Physics 30: Chaper 2 Exam Momenum & Impulse Name: Dae: Mark: /29 Numeric Response. Place your answers o he numeric response quesions, wih unis, in he blanks a he side of he page. (1 mark each) 1. A golfer
More informationPHYSICS 220 Lecture 02 Motion, Forces, and Newton s Laws Textbook Sections
PHYSICS 220 Lecure 02 Moion, Forces, and Newon s Laws Texbook Secions 2.2-2.4 Lecure 2 Purdue Universiy, Physics 220 1 Overview Las Lecure Unis Scienific Noaion Significan Figures Moion Displacemen: Δx
More informationChapter 3 Kinematics in Two Dimensions
Chaper 3 KINEMATICS IN TWO DIMENSIONS PREVIEW Two-dimensional moion includes objecs which are moing in wo direcions a he same ime, such as a projecile, which has boh horizonal and erical moion. These wo
More informationA man pushes a 500 kg block along the x axis by a constant force. Find the power required to maintain a speed of 5.00 m/s.
Coordinaor: Dr. F. hiari Wednesday, July 16, 2014 Page: 1 Q1. The uniform solid block in Figure 1 has mass 0.172 kg and edge lenghs a = 3.5 cm, b = 8.4 cm, and c = 1.4 cm. Calculae is roaional ineria abou
More informationGiambattista, Ch 3 Problems: 9, 15, 21, 27, 35, 37, 42, 43, 47, 55, 63, 76
Giambaisa, Ch 3 Problems: 9, 15, 21, 27, 35, 37, 42, 43, 47, 55, 63, 76 9. Sraeg Le be direced along he +x-axis and le be 60.0 CCW from Find he magniude of 6.0 B 60.0 4.0 A x 15. (a) Sraeg Since he angle
More informationWelcome Back to Physics 215!
Welcome Back o Physics 215! (General Physics I) Thurs. Jan 19 h, 2017 Lecure01-2 1 Las ime: Syllabus Unis and dimensional analysis Today: Displacemen, velociy, acceleraion graphs Nex ime: More acceleraion
More informationMEI Mechanics 1 General motion. Section 1: Using calculus
Soluions o Exercise MEI Mechanics General moion Secion : Using calculus. s 4 v a 6 4 4 When =, v 4 a 6 4 6. (i) When = 0, s = -, so he iniial displacemen = - m. s v 4 When = 0, v = so he iniial velociy
More informationand v y . The changes occur, respectively, because of the acceleration components a x and a y
Week 3 Reciaion: Chaper3 : Problems: 1, 16, 9, 37, 41, 71. 1. A spacecraf is raveling wih a veloci of v0 = 5480 m/s along he + direcion. Two engines are urned on for a ime of 84 s. One engine gives he
More informationPhysics 131- Fundamentals of Physics for Biologists I
10/3/2012 - Fundamenals of Physics for iologiss I Professor: Wolfgang Loser 10/3/2012 Miderm review -How can we describe moion (Kinemaics) - Wha is responsible for moion (Dynamics) wloser@umd.edu Movie
More information4.5 Constant Acceleration
4.5 Consan Acceleraion v() v() = v 0 + a a() a a() = a v 0 Area = a (a) (b) Figure 4.8 Consan acceleraion: (a) velociy, (b) acceleraion When he x -componen of he velociy is a linear funcion (Figure 4.8(a)),
More informationAP Calculus BC Chapter 10 Part 1 AP Exam Problems
AP Calculus BC Chaper Par AP Eam Problems All problems are NO CALCULATOR unless oherwise indicaed Parameric Curves and Derivaives In he y plane, he graph of he parameric equaions = 5 + and y= for, is a
More information- Graphing: Position Velocity. Acceleration
Tes Wednesday, Jan 31 in 101 Clark Hall a 7PM Main Ideas in Class Today - Graphing: Posiion Velociy v avg = x f f x i i a avg = v f f v i i Acceleraion Pracice ess & key online. Tes over maerial up o secion
More informationConceptual Physics Review (Chapters 2 & 3)
Concepual Physics Review (Chapers 2 & 3) Soluions Sample Calculaions 1. My friend and I decide o race down a sraigh srech of road. We boh ge in our cars and sar from res. I hold he seering wheel seady,
More informationKinematics in One Dimension
Kinemaics in One Dimension PHY 7 - d-kinemaics - J. Hedberg - 7. Inroducion. Differen Types of Moion We'll look a:. Dimensionaliy in physics 3. One dimensional kinemaics 4. Paricle model. Displacemen Vecor.
More information~v = x. ^x + ^y + ^x + ~a = vx. v = v 0 + at. ~v P=A = ~v P=B + ~v B=A. f k = k. W tot =KE. P av =W=t. W grav = mgy 1, mgy 2 = mgh =,U grav
PHYSICS 5A FALL 2001 FINAL EXAM v = x a = v x = 1 2 a2 + v 0 + x 0 v 2 = v 2 0 +2a(x, x 0) a = v2 r ~v = x ~a = vx v = v 0 + a y z ^x + ^y + ^z ^x + vy x, x 0 = 1 2 (v 0 + v) ~v P=A = ~v P=B + ~v B=A ^y
More informationSpeed and Velocity. Overview. Velocity & Speed. Speed & Velocity. Instantaneous Velocity. Instantaneous and Average
Overview Kinemaics: Descripion of Moion Posiion and displacemen velociy»insananeous acceleraion»insananeous Speed Velociy Speed and Velociy Speed & Velociy Velociy & Speed A physics eacher walks 4 meers
More informationOne-Dimensional Kinematics
One-Dimensional Kinemaics One dimensional kinemaics refers o moion along a sraigh line. Een hough we lie in a 3-dimension world, moion can ofen be absraced o a single dimension. We can also describe moion
More information2002 November 14 Exam III Physics 191
November 4 Exam III Physics 9 Physical onsans: Earh s free-fall acceleraion = g = 9.8 m/s ircle he leer of he single bes answer. quesion is worh poin Each 3. Four differen objecs wih masses: m = kg, m
More informationPhysics for Scientists and Engineers. Chapter 2 Kinematics in One Dimension
Physics for Scieniss and Engineers Chaper Kinemaics in One Dimension Spring, 8 Ho Jung Paik Kinemaics Describes moion while ignoring he agens (forces) ha caused he moion For now, will consider moion in
More informationAnswers to 1 Homework
Answers o Homework. x + and y x 5 y To eliminae he parameer, solve for x. Subsiue ino y s equaion o ge y x.. x and y, x y x To eliminae he parameer, solve for. Subsiue ino y s equaion o ge x y, x. (Noe:
More informationUniversity Physics with Modern Physics 14th Edition Young TEST BANK
Universi Phsics wih Modern Phsics 14h Ediion Young SOLUTIONS MANUAL Full clear download (no formaing errors) a: hps://esbankreal.com/download/universi-phsics-modern-phsics- 14h-ediion-oung-soluions-manual-/
More informationConstant Acceleration
Objecive Consan Acceleraion To deermine he acceleraion of objecs moving along a sraigh line wih consan acceleraion. Inroducion The posiion y of a paricle moving along a sraigh line wih a consan acceleraion
More informationMOMENTUM CONSERVATION LAW
1 AAST/AEDT AP PHYSICS B: Impulse and Momenum Le us run an experimen: The ball is moving wih a velociy of V o and a force of F is applied on i for he ime inerval of. As he resul he ball s velociy changes
More informationLinear Motion I Physics
Linear Moion I Physics Objecives Describe he ifference beween isplacemen an isance Unersan he relaionship beween isance, velociy, an ime Describe he ifference beween velociy an spee Be able o inerpre a
More informationWELCOME TO 1103 PERIOD 3. Homework Exercise #2 is due at the beginning of class. Please put it on the stool in the front of the classroom.
WELCOME TO 1103 PERIOD 3 Homework Exercise #2 is due a he beginning of class. Please pu i on he sool in he fron of he classroom. Ring of Truh: Change 1) Give examples of some energy ransformaions in he
More informationParametrics and Vectors (BC Only)
Paramerics and Vecors (BC Only) The following relaionships should be learned and memorized. The paricle s posiion vecor is r() x(), y(). The velociy vecor is v(),. The speed is he magniude of he velociy
More informationd = ½(v o + v f) t distance = ½ (initial velocity + final velocity) time
BULLSEYE Lab Name: ANSWER KEY Dae: Pre-AP Physics Lab Projecile Moion Weigh = 1 DIRECTIONS: Follow he insrucions below, build he ramp, ake your measuremens, and use your measuremens o make he calculaions
More informationMain Ideas in Class Today
Main Ideas in Class Toda Inroducion o Falling Appl Consan a Equaions Graphing Free Fall Sole Free Fall Problems Pracice:.45,.47,.53,.59,.61,.63,.69, Muliple Choice.1 Freel Falling Objecs Refers o objecs
More informationQuestions 1 and 2 refer to the graph below. The graph is a displacement-time graph for a runner. Displacement / m. Time / s
Quesions 1 and 2 refer o he graph below. The graph is a displacemen-ime graph for a runner. 80 isplacemen / m 60 40 0 0 4 6 8 / s 1 The velociy of he runner a 5 s is approximaely 8 m s 9 m s C 40 m s 2
More informationv x + v 0 x v y + a y + v 0 y + 2a y + v y Today: Projectile motion Soccer problem Firefighter example
Thurs Sep 10 Assign 2 Friday SI Sessions: Moron 227 Mon 8:10-9:10 PM Tues 8:10-9:10 PM Thur 7:05-8:05 PM Read Read Draw/Image lay ou coordinae sysem Wha know? Don' know? Wan o know? Physical Processes?
More informations in boxe wers ans Put
Pu answers in boxes Main Ideas in Class Toda Inroducion o Falling Appl Old Equaions Graphing Free Fall Sole Free Fall Problems Pracice:.45,.47,.53,.59,.61,.63,.69, Muliple Choice.1 Freel Falling Objecs
More information6th Year Applied Maths Higher Level Kieran Mills
6h Year Applied Mahs Higher Level Kieran Mills Uniform Acceleraed Moion No par of his publicaion may be copied, reproduced or ransmied in any form or by any means, elecronic, mechanical, phoocopying, recording,
More information15. Vector Valued Functions
1. Vecor Valued Funcions Up o his poin, we have presened vecors wih consan componens, for example, 1, and,,4. However, we can allow he componens of a vecor o be funcions of a common variable. For example,
More informationChapter 12: Velocity, acceleration, and forces
To Feel a Force Chaper Spring, Chaper : A. Saes of moion For moion on or near he surface of he earh, i is naural o measure moion wih respec o objecs fixed o he earh. The 4 hr. roaion of he earh has a measurable
More informationToday: Graphing. Note: I hope this joke will be funnier (or at least make you roll your eyes and say ugh ) after class. v (miles per hour ) Time
+v Today: Graphing v (miles per hour ) 9 8 7 6 5 4 - - Time Noe: I hope his joke will be funnier (or a leas make you roll your eyes and say ugh ) afer class. Do yourself a favor! Prof Sarah s fail-safe
More information!!"#"$%&#'()!"#&'(*%)+,&',-)./0)1-*23)
"#"$%&#'()"#&'(*%)+,&',-)./)1-*) #$%&'()*+,&',-.%,/)*+,-&1*#$)()5*6$+$%*,7&*-'-&1*(,-&*6&,7.$%$+*&%'(*8$&',-,%'-&1*(,-&*6&,79*(&,%: ;..,*&1$&$.$%&'()*1$$.,'&',-9*(&,%)?%*,('&5
More informationCLASS XI SET A PHYSICS. 1. If and Let. The correct order of % error in. (a) (b) x = y > z (c) x < z < y (d) x > z < y
PHYSICS 1. If and Le. The correc order of % error in (a) (b) x = y > z x < z < y x > z < y. A hollow verical cylinder of radius r and heigh h has a smooh inernal surface. A small paricle is placed in conac
More informationPhysics 101: Lecture 03 Kinematics Today s lecture will cover Textbook Sections (and some Ch. 4)
Physics 101: Lecure 03 Kinemaics Today s lecure will coer Texbook Secions 3.1-3.3 (and some Ch. 4) Physics 101: Lecure 3, Pg 1 A Refresher: Deermine he force exered by he hand o suspend he 45 kg mass as
More informationPhysics 5A Review 1. Eric Reichwein Department of Physics University of California, Santa Cruz. October 31, 2012
Physics 5A Review 1 Eric Reichwein Deparmen of Physics Universiy of California, Sana Cruz Ocober 31, 2012 Conens 1 Error, Sig Figs, and Dimensional Analysis 1 2 Vecor Review 2 2.1 Adding/Subracing Vecors.............................
More information02. MOTION. Questions and Answers
CLASS-09 02. MOTION Quesions and Answers PHYSICAL SCIENCE 1. Se moves a a consan speed in a consan direcion.. Reprase e same senence in fewer words using conceps relaed o moion. Se moves wi uniform velociy.
More informationA B C D September 25 Exam I Physics 105. Circle the letter of the single best answer. Each question is worth 1 point
2012 Sepember 25 Eam I Physics 105 Circle he leer of he single bes answer. Each uesion is worh 1 poin Physical Consans: Earh s free-fall acceleraion = g = 9.80 m/s 2 3. (Mark wo leers!) The below graph
More informationSPH3U: Projectiles. Recorder: Manager: Speaker:
SPH3U: Projeciles Now i s ime o use our new skills o analyze he moion of a golf ball ha was ossed hrough he air. Le s find ou wha is special abou he moion of a projecile. Recorder: Manager: Speaker: 0
More informationDynamics. Option topic: Dynamics
Dynamics 11 syllabusref Opion opic: Dynamics eferenceence In his cha chaper 11A Differeniaion and displacemen, velociy and acceleraion 11B Inerpreing graphs 11C Algebraic links beween displacemen, velociy
More informationUniform Accelerated Motion. 6 th Year. Applied Maths Higher Level Kieran Mills
6 h Year Applied Mahs Higher Level Kieran Mills Uniform Acceleraed Moion No par of his publicaion may be copied, reproduced or ransmied in any form or by any means, elecronic, mechanical, phoocopying,
More informationCHEAPEST PMT ONLINE TEST SERIES AIIMS/NEET TOPPER PREPARE QUESTIONS
CHEAPEST PMT ONLINE TEST SERIES AIIMS/NEET TOPPER PREPARE QUESTIONS For more deails see las page or conac @aimaiims.in Physics Mock Tes Paper AIIMS/NEET 07 Physics 06 Saurday Augus 0 Uni es : Moion in
More informationWORK, ENERGY AND POWER NCERT
Exemplar Problems Physics Chaper Six WORK, ENERGY AND POWER MCQ I 6.1 An elecron and a proon are moving under he influence of muual forces. In calculaing he change in he kineic energy of he sysem during
More informationPosition, Velocity, and Acceleration
rev 06/2017 Posiion, Velociy, and Acceleraion Equipmen Qy Equipmen Par Number 1 Dynamic Track ME-9493 1 Car ME-9454 1 Fan Accessory ME-9491 1 Moion Sensor II CI-6742A 1 Track Barrier Purpose The purpose
More information1. Kinematics I: Position and Velocity
1. Kinemaics I: Posiion and Velociy Inroducion The purpose of his eperimen is o undersand and describe moion. We describe he moion of an objec by specifying is posiion, velociy, and acceleraion. In his
More information4 3 a b (C) (a 2b) (D) (2a 3b)
* A balloon is moving verically pwards wih a velociy of 9 m/s. A sone is dropped from i and i reaches he grond in 10 sec. The heigh of he balloon when he sone was dropped is (ake g = 9.8 ms - ) (a) 100
More informationt = x v = 18.4m 44.4m/s =0.414 s.
1 Assuming he horizonal velociy of he ball is consan, he horizonal displacemen is x = v where x is he horizonal disance raveled, is he ime, and v is he (horizonal) velociy Convering v o meers per second,
More informationChapter 2. Motion in One-Dimension I
Chaper 2. Moion in One-Dimension I Level : AP Physics Insrucor : Kim 1. Average Rae of Change and Insananeous Velociy To find he average velociy(v ) of a paricle, we need o find he paricle s displacemen
More information72 Calculus and Structures
72 Calculus and Srucures CHAPTER 5 DISTANCE AND ACCUMULATED CHANGE Calculus and Srucures 73 Copyrigh Chaper 5 DISTANCE AND ACCUMULATED CHANGE 5. DISTANCE a. Consan velociy Le s ake anoher look a Mary s
More informationPhysics 218 Exam 1. with Solutions Fall 2010, Sections Part 1 (15) Part 2 (20) Part 3 (20) Part 4 (20) Bonus (5)
Physics 18 Exam 1 wih Soluions Fall 1, Secions 51-54 Fill ou he informaion below bu o no open he exam unil insruce o o so! Name Signaure Suen ID E-mail Secion # ules of he exam: 1. You have he full class
More informationFarr High School NATIONAL 5 PHYSICS. Unit 3 Dynamics and Space. Exam Questions
Farr High School NATIONAL 5 PHYSICS Uni Dynamics and Space Exam Quesions VELOCITY AND DISPLACEMENT D B D 4 E 5 B 6 E 7 E 8 C VELOCITY TIME GRAPHS (a) I is acceleraing Speeding up (NOT going down he flume
More informationa 10.0 (m/s 2 ) 5.0 Name: Date: 1. The graph below describes the motion of a fly that starts out going right V(m/s)
Name: Dae: Kinemaics Review (Honors. Physics) Complee he following on a separae shee of paper o be urned in on he day of he es. ALL WORK MUST BE SHOWN TO RECEIVE CREDIT. 1. The graph below describes he
More informationKinematics. See if you can define distance. We think you ll run into the same problem.
Kinemaics Inroducion Moion is fundamenal o our lives and o our hinking. Moving from place o place in a given amoun of ime helps define boh who we are and how we see he world. Seeing oher people, objecs
More informationEF 151 Exam #1, Spring, 2009 Page 1 of 6
EF 5 Exam #, Spring, 009 Page of 6 Name: Guideline: Aume 3 ignifican figure for all given number unle oherwie aed Show all of your work no work, no credi Wrie your final anwer in he box provided Include
More informationTesting What You Know Now
Tesing Wha You Know Now To bes each you, I need o know wha you know now Today we ake a well-esablished quiz ha is designed o ell me his To encourage you o ake he survey seriously, i will coun as a clicker
More informationk 1 k 2 x (1) x 2 = k 1 x 1 = k 2 k 1 +k 2 x (2) x k series x (3) k 2 x 2 = k 1 k 2 = k 1+k 2 = 1 k k 2 k series
Final Review A Puzzle... Consider wo massless springs wih spring consans k 1 and k and he same equilibrium lengh. 1. If hese springs ac on a mass m in parallel, hey would be equivalen o a single spring
More informationRECTILINEAR MOTION. Contents. Theory Exercise Exercise Exercise Exercise Answer Key
RECTILINEAR MOTION Conens Topic Page No. Theory 01-01 Exercise - 1 0-09 Exercise - 09-14 Exercise - 3 15-17 Exercise - 4 17-0 Answer Key 1 - Syllabus Kinemaics in one dimension. Name : Conac No. ARRIDE
More informationReview Equations. Announcements 9/8/09. Table Tennis
Announcemens 9/8/09 1. Course homepage ia: phsics.bu.edu Class web pages Phsics 105 (Colon J). (Class-wide email sen) Iclicker problem from las ime scores didn ge recorded. Clicker quizzes from lecures
More informationGuest Lecturer Friday! Symbolic reasoning. Symbolic reasoning. Practice Problem day A. 2 B. 3 C. 4 D. 8 E. 16 Q25. Will Armentrout.
Pracice Problem day Gues Lecurer Friday! Will Armenrou. He d welcome your feedback! Anonymously: wrie somehing and pu i in my mailbox a 111 Whie Hall. Email me: sarah.spolaor@mail.wvu.edu Symbolic reasoning
More information