AP Physics Problem: Solving Homework Equations

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master_333
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Homework Statement


1 c and e from the jpeg image.

Homework Equations


W = Fd
KE = 1/2mv^2

The Attempt at a Solution


P = 42.875 * 60 J / 5.3s
P= 485 W

and I don't know how to start 1e.

Could you please help me.
 

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