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AP® Physics C: Mechanics

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Moderate

Power Pushing a Non-Linear Spring

APPHMC-EOHXHC

A non-linear spring has a $k$ value given by the equation $k=[150N/m+(300N/m^2)\Delta x]$.

How much power is required to compress this spring 0.15 m in 0.26 s?

A

0.53 W

B

2.0 W

C

6.5 W

D

7.8 W

E

29 W