?

AP® Physics C: Mechanics

Free Version

Upgrade subject to access all content

Moderate

Pushing Against Friction

APPHMC-8TKEWK

Your uncle pushes a 60.0-kg crate along a floor with average speed $v = 0.65 m/s$ for 5.0 seconds as he moves furniture to clean up the garage.

If the coefficient of friction between the floor and the crate is $\mu = 0.340$, what is the average power output of your uncle during this time?

A

$26.0 W$

B

$130 W$

C

$383 W$

D

$650 W$

E

None of the above