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SAT® Subject Test in Physics

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Moderate

Wagon Pull

SATPHY-EYXFQA

A teenager pulls a wagon so that it moves 3 times as fast as when a young child pulls it.

If the wagon has 5.0 Joules of kinetic energy when the child pulls the wagon, how much kinetic energy does it have when the teenager pulls the wagon?

A

15.0 Joules

B

8.0 Joules

C

45.0 Joules

D

5.0 Joules

E

1.67 Joules