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An archer places a 0.15 kg arrow on a bowstring. Then he exerts an average force of 100N to draw the string back 0.45m. Assume friction is negligible. What speed does the bow give the arrow and if the arrow is shot vertically upwards into the air, how high will it go?

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The archer places a 0.15 kg arrow on the bowstring and draws it back 0.45 m with an average force of 100N. The work done by the archer is 100*0.45 = 450 J. This is the potential energy stored that is converted to kinetic energy when...

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