prob_008 - 8. REASONING AND SOLUTION From Equation 2.9, 2 v...

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8. REASONING AND SOLUTION From Equation 2.9, 22 0 2 vv a x =+ Since the arrow starts from rest, v 0 = 0 m/s. In both cases x is the same so 2 11 1 2 2 2 2 2 or 2 va x a ax a v a v == = Since F = ma , it follows that a = F / m . The mass of the arrow is unchanged, and
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