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AP® Physics 1 & 2

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Moderate

Work Done by Friction

APPH12-KKFGCR

Created for Albert.io. All rights reserved 2016.

A resting $4\ \text{kg}$ jug of juice is given a push forward across a horizontal table but then allowed to come to a stop under the influence of friction alone. The coefficient of sliding friction between the jug and table is $0.25$, and the jug slides for $50\ \text{cm}$ before coming to a stop.

How much kinetic energy did the jug possess when it began its slide?

A

$0.5\ \text{J}$

B

$1\ \text{J}$

C

$5\ \text{J}$

D

$10\ \text{J}$