Sample Final Answer Key

Sample Final Answer Key - Phys 151 F04 Name Final Exam...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Phys 151 F04 Final Exam Answer Key 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. [ D ] 1. A ball is shot from a spring and rolls up and down a ramp (as shown). The plot that best represents its velocity while 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 [ F,G ] 2. Which plot best represents the displacement of the ball of the previous question? A. A B. B C. C D. D E. E F. F G. G H. H [ E ] 3. If the following stroboscopic dots represent the motion of a fly in a straight line, where was it moving fastest? A B C D E F A. Between A and B B. Between B and C C. Between C and D D. Between D and E E. Between E and F
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
[ A ] 4. Romeo is on the roof of a building that is 20 m high. He spies Juliet standing directly below him at the front door clutching a cloth bag. He calls out to her to hold the bag open so that he can drop a juicy cantaloupe into it. He knows that the bag can withstand a cantaloupe that is traveling at no more than 10 m/s, anything moving faster will tear a hole in the bag. Can he drop the cantaloupe safely into the bag? A. No, he just cannot do it. B. Yes, by throwing it downwards at 10 m/s. C. Yes, by dropping it from rest. D. Yes, by throwing it vertically upwards at 10 m/s. [ E ] 5. A 0.05-kg bullet traveling at 120 m/s tears into a slab of thick wood. The wood exerts a constant retardation (negative acceleration) of magnitude 8000 m/s 2 . How long will it take the bullet to come to a stop? A. 0 s
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/08/2011 for the course PHYS 151 taught by Professor Lim during the Winter '10 term at Drexel.

Page1 / 5

Sample Final Answer Key - Phys 151 F04 Name Final Exam...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online