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Physics 100A Sample Test Problems

H.Tahsiri

This is not an actual test. You should time yourself and find out how fast you can answer them. There are 15 problems on midterm 1. Approx 5 min /prob.

1) At a time t=0, a car has a constant velocity of 20 m/s east.At the same time a motorcycle starts from rest in the same direction with an acceleration of 2 m/. The time it takes for the motorcycle to catch up with the car is

a) 20 s    b) 10 s    c) 30 s     d) NA

2) A marble rolls off a table at a speed of 10 ft/s. How far from the edge of the table does it strike the floor?

a) 5 ft    b) 10 ft    c) 2 ft    d) NA

3) On Jupiter a stone falls 200 ft in 2.17 s when released from rest. If a person weighs 120 pounds on Earth, how much would she weigh on Jupiter.
a) 317 pounds    b) 285 pounds    c) 400 pounds    d) NA

4) Evaluate  

a) 2.5x10^(-9)    b) 3.5x10^(-8)    c) 1.5x10^8    d) NA

5) Two objects are dropped from rest in a vacuum chamber. One is release on second after the first. Thus the distance separating them as they fall
a) will increase    b) will decrease    c) will remain constant

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