Question

a box of mass 5kg is accelerated from rest across a floor rate at 2.0 m/s^2 for 7.0s. find the network done on the box.


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Answer 1

\[F = ma\]\[x = \frac{1}{2}at^2\]\[W = F x\]

First, find \(F\). Next, find \(x\). Finally, find \(W\).

Answer 2

490 j is the answer, right?

Answer 3

x= 49m
F= 10 kg x m/s^2

Answer 4

Yes, that looks correct.