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OpenStudy (johnope1):
Can you help me with this question? It takes a force of 91.0 N to compress the spring of a toy popgun 0.175 m to “load” a 0.160-kg ball. With what speed will the ball leave the gun if fired horizontally?
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OpenStudy (irishboy123):
ask yourself: what energy is now stored in the spring?? hint \(U_{spring} = \dfrac{1}{2}kx^2\) get k from \(F = kx\)
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