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Consider the following diagram depicting two pucks where ${m}_1$ is one-half the mass of ${m}_2$. Both pucks start from rest and are given a push with force $F$ for time $t$.

Created for Albert.io. Copyright 2016. All rights reserved.

At the end of time $t$, how does the kinetic energy of puck ${m}_1$ compare to the kinetic energy of puck ${m}_2$?

A

The kinetic energy of puck ${m}_1$ is half that of the kinetic energy of puck ${m}_2$.

B

The kinetic energy of puck ${m}_1$ is the same as the kinetic energy of puck ${m}_2$.

C

The kinetic energy of puck ${m}_1$ is twice as great as the kinetic energy of puck ${m}_2$.

D

The kinetic energy of puck ${m}_1$ is four times as great as the kinetic energy of puck ${m}_2$.

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