Sample Midterm Exam

Sample Midterm Exam - Phys 151 Name: Midterm Exam A...

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Phys 151 Midterm Exam A Name: Signature: ID: Sect: Write your answer in the space provided before each question number . Wherever needed, assume that g = 10 m/s 2 or 32 ft/ s 2 . [ ] 1. The following is a strobe-like illustration of a moving bug traveling in a straight line. The interval in which it had increasing speed followed by decreasing speed is ……., the interval in which it appears uniformly accelerating is …….and the interval in which it covered the least distance is ……. a b c d A) a …b….d B) a.…d….b C) b….a….c D) c….b….b E) b….d….b F) none of the previous [ ] 2. From the figure above, which shows the acceleration vs. time plot of the straight-line motion of an object, where is it moving fastest ? (Assume initial speed of zero.) A) at A B) at D C) at C D) along BC E) along CD F) along OA G) none of the previous [ ] 3. Where is the object (in the previous figure) furthest from its starting point ? A) along OA B) along AB C) along BC D) along CD E) at A F) at B G) at C H) at D [ ] 4. A tourist is being chased by a bear. He runs in a straight line toward his car at a speed of 4.0 m/s. The bear is 26 m behind the tourist and can run at 6.0 m/s. Up to how far can the car be for the tourist to reach it safely? A) 26 m B) 13 m C) 39 m D. 52 m E. none of the previous. [ ] 5. A ball is shot and moves up a curved ramp from B to A as shown. During its total motion along the ramp, the magnitude of its acceleration A) increases B) decreases C) remains unchanged D) increases, then decreases E) decreases, then increases [ ] 6. A rescue helicopter is flying vertically upwards at a constant speed of 5 m/s over open water. While the helicopter is still moving, a crewman throws a raft downwards
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This note was uploaded on 02/08/2011 for the course PHYS 151 taught by Professor Lim during the Winter '10 term at Drexel.

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Sample Midterm Exam - Phys 151 Name: Midterm Exam A...

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