Unit Test — Unit test Answers

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Which factor affects elastic potential energy but not gravitational potential energy?

A
spring constant
B
acceleration due to gravity
C
distance from a given position
D
amount of matter in the object
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Irving, a cat, has a favorite toy that is made up of a squeaky ball at the end of a string. The toy makes up a closed system. Irving’s owner dangles the toy so that the ball swings down and then swings back up again.

A
As the ball moves upward, both kinetic and potential energy decrease.
B
As the ball moves downward, both kinetic and potential energy increase.
C
As the ball moves upward, kinetic energy decreases and potential energy increases.
D
As the ball moves downward, kinetic energy decreases and potential energy increases.

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Unit Test — Unit test Answers — TX-Physics A