End of Semester Details: Final Exam

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homewok due Tuesday Final eview homewok Semeste feedback exta cedit Missing gades EF 152 Fall 2015 Semeste Review 1 Final Exam Fiday

1 End of Semeste Details: Poject: By midnight Tuesday! - empty you bin Repot (MUST be pdf fomat) Pictues: device, team PDF of poste Web fom completed Team membe contibution Homewok Semeste homewok due Tuesday Final eview homewok Semeste feedback exta cedit Missing gades EF 152 Fall 2015 Semeste Review 1 Final Exam Fiday 8:00 am 10:00 am 120 minutes 2 equation sheets povided. 1 page (font and back), o 2 pages font only, notes pages allowed Final will be scanned and available fo eview via the web site. Answes: EF 152 Fall, 2015 Semeste Review 2

SEMESTER REVIEW A B C D E A 2130 lb cane has a 1660 lb counteweight. What is the maximum load it can lift without tipping ove if its am is at an angle of θ=22?

2 SEMESTER REVIEW A B C D E A 2130 lb cane has a 1660 lb counteweight. What is the maximum load it can lift without tipping ove if its am is at an angle of θ=22? What is the best place to sum moments about? 1. Point A 2. Point B 3. Point C 4. Point D 5. Point E EF 152 Fall, 2015 Semeste Review 3 A B C D E A 324 lb beam is loaded and suppoted by two inch diamete steel cables (US= psi). What is the minimum facto of safety? What is the best way to find C1? 1. ΣM A 2. ΣM B 3. ΣM C 4. ΣM D 5. ΣF vetical How do you calculate the minimum facto of safety? 1. max{σ C1, σ C2 } / US 2. min{σ C1, σ C2 } / US 3. US / max{σ C1, σ C2 } 4. US / min{σ C1, σ C2 } 5. Punt EF 152 Fall, 2015 Semeste Review 4

What is the magnitude of the foce equied on a 960 kg ballistic object to keep it flying at a constant altitude of 356 km and a constant speed of 4170 m/s?

3. 4. W ma n 0 EF 152 Fall, 2015 Semeste Review 5 One connection beaks on this ectangula sign and it falls and swings about point A.

3 What is the magnitude of the foce equied on a 960 kg ballistic object to keep it flying at a constant altitude of 356 km and a constant speed of 4170 m/s? (N) Which is the coect FBD? Which is the coect KD? 1. F 2. F ma n W W ma n 3. F W ma n 0 EF 152 Fall, 2015 Semeste Review 5 One connection beaks on this ectangula sign and it falls and swings about point A. How long does it take to complete one oscillation? What type of poblem is this? What distance should you use fo m 2? Simple hamonic motion 2. Simple pendulum 3. Physical pendulum 4. Angula momentum EF 152 Fall, 2015 Semeste Review 6

A 5.6 mm diamete, 1.9 m long cod (ρ=7550 kg/m 3 ) is tensioned between a wall suppot and a pivot am suppoting a 52 kg mass. What is the cod's fundamental fequency of vibation fo a tansvese wave?

4 A 5.6 mm diamete, 1.9 m long cod (ρ=7550 kg/m 3 ) is tensioned between a wall suppot and a pivot am suppoting a 52 kg mass. What is the cod's fundamental fequency of vibation fo a tansvese wave? How do you find the tension in the cod? 1. FBD of L backet; ΣF hoizontal 2. FBD of L backet; ΣF vetical 3. FBD of L backet; ΣM pin 4. Tension equals weight of hanging mass 5. Ask on the discussion boad EF 152 Fall, 2015 Semeste Review 7 A 0.12 inch diamete hole is punched in the bottom of a 2.4 inch diamete can. The can is open at the top and contains 12 oz of liquid. What is the initial velocity of the liquid coming out of the hole? What equation(s) will we use to solve this poblem? 1. Benoulli 2. Continuity 3. Benoulli and continuity EF 152 Fall, 2015 Semeste Review 8

A 4.4 kg cast ion fying pan at 95 C is placed in an insulated ice bath consisting of 1.41 kg of wate and 0.26 kg of ice at 0 C. The specific heat of ion is 0.11 cal/(g C).

5 A 4.4 kg cast ion fying pan at 95 C is placed in an insulated ice bath consisting of 1.41 kg of wate and 0.26 kg of ice at 0 C. The specific heat of ion is 0.11 cal/(g C). Assuming no heat tansfe to the suoundings, what is the equilibium tempeatue? How many Q tems should we have? EF 152 Fall, 2015 Semeste Review 9 P1 = 1.4 atm P2 = 5.4 atm V1 = 6.4 m 3 V2 = 8.9 m 3 V3 = 17.8 m 3 An ideal diatomic gas in a piston expands accoding to the gaph. Detemine the wok done by the gas in going fom state A to state C. (kj) What is the easiest way to solve this poblem? 1. ln Aea unde cuve EF 152 Fall, 2015 Semeste Review 10

A 2.0 m x 0.95 m x 5.0 cm thick solid wood doo has a 0.5 m squae window. The window has two panes of 0.45 cm thick glass with a 0.2 cm thick space between the glass panes that is filled with agon.

Detemine the magnitude of the heat flow though the doo. κ wood = 0.10 W/(m C) κ glass = 0.84 W/(m C) κ ai = 0.026 W/(m C) How would you model the system? 1.

6 A 2.0 m x 0.95 m x 5.0 cm thick solid wood doo has a 0.5 m squae window. The window has two panes of 0.45 cm thick glass with a 0.2 cm thick space between the glass panes that is filled with agon. Agon is used since it has a themal conductivity that is 34% lowe than that of ai. The inside ai tempeatue is 20 C and the outside tempeatue is -8 C. Detemine the magnitude of the heat flow though the doo. κ wood = 0.10 W/(m C) κ glass = 0.84 W/(m C) κ ai = W/(m C) How would you model the system? 1. wood and window in paallel; glass and ai in paallel 2. wood and window in paallel; glass and ai in seies 3. wood and window in seies; glass and ai in paallel 4. wood and window in seies; glass and ai in seies EF 152 Fall, 2015 Semeste Review 11 Detemine the wok done evey cycle fo the intenal combustion engine epesented by this PV gaph. The woking substance is ai. (kj) What is the wok done fom b to c? What kind of pocess occus fom a to b? 1. Adiabatic 2. Isothemal 3. Constant pessue 4. Constant volume ln 5. 0 EF 152 Fall, 2015 Semeste Review 12

A 76 W feeze has an EER of 12.5. How much heat is exhausted to the oom in 2.6 hous?

7 A 76 W feeze has an EER of How much heat is exhausted to the oom in 2.6 hous? How would you find the Heat exhausted to the oom? 1. Q h = Q c + W 2. Q h = Q c -W 3. Q h = W - Q c EF 152 Fall, 2015 Semeste Review 13

Unit 6 Test Review Gravitation & Oscillation Chapters 13 & 15

Unit 6 Test Review Gravitation & Oscillation Chapters 13 & 15 A.P. Physics C Unit 6 Test Review Gavitation & Oscillation Chaptes 13 & 15 * In studying fo you test, make sue to study this eview sheet along with you quizzes and homewok assignments. Multiple Choice