Sample Final 1

Sample Final 1 - Phys 151 S0304 Name: Final Exam Signature:...

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Phys 151 S0304 Final Exam Name: Signature: Sect: Except for the extra-credit questions where you must give two- or three-sentence answers, you should choose the single-best answer for each of the multiple-choice questions and enter it in the space before each. [ ] 1. A ball is shot from a spring and rolls up and then down a ramp (as shown). The plot that represents its speed on the ramp versus time is A B C D E F G H A) A B) B C) C D) D E) E F) F G) G H) H [ ] 2. For the ball on the ramp, the plot that represents its acceleration versus time is A) A B) B C) C D) D E) E F) F G) G H) H [ ] 3. As a runaway balloon ascends at a constant 20 m/s, one of its instrument packages breaks free and falls. If the figure shows you the vertical velocity of the package versus time, from before it breaks free to when it reaches the ground, what is the height to which it rises from the break-free point? 2 4 t (s) (Assume g = 10 m/s 2 ) A) 0 m B) 5 m C) 10 m D) 15 m E) 20 m F) 40 m G) none of the previous
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[ ] 4. The fast French train known as TGV has a scheduled average speed of 180 km/h. If the train goes around a curve at that speed and the magnitude of the acceleration experienced by the passengers is to be limited to 0.5 m/s 2 , what is the smallest radius of curvature for the track that can be tolerated? A) 1000 m B) 5000 m C) 64800 m D) zero E) none of the previous [ ] 5. Three astronauts propelled by jetpacks push and guide an asteroid, exerting the forces shown (as solid arrows). In what direction will the asteroid move? A
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Sample Final 1 - Phys 151 S0304 Name: Final Exam Signature:...

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