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Energy Mini Quiz

4 Questions  I  By 11reefeg
Energy Mini Quiz
Energy mini quiz.

  
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Question Excerpt

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1.  Two pool balls, each moving at 2 m/s, roll toward each other and collide. Suppose after bouncing apart, each moves at 4 m/s. This collision violates conservation of
A.
B.
C.
D.
E.
2.  In a pendulum, if the KE decreases
A.
B.
C.
D.
3.  When an object is lifted 10m, it gains a certain amount of PE. If the same object is lifted 20m, its potential energy gain is
A.
B.
C.
D.
E.
4.  If object A travels at 5 m/s, and object B has the same mass but travels twice as fast. How much more KE will the second object have?
A.
B.
C.
D.
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