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AP® Physics C: Mechanics

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Power Output for a Steady System

APPHMC-MXYHHP

How much power must a motor supply to pull a $1000 kg$ box along a horizontal surface if the box is to move at a constant rate of $2 m/s$, if the coefficient of kinetic friction between the box and the surface is $\mu = 0.3$?

A

$5886 W$

B

$19620 W$

C

$2943 W$

D

$9810 W$

E

Cannot be determined.