ch08-p103 - 103. We use SI units so m = 0.030 kg and d =...

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103. We use SI units so m = 0.030 kg and d = 0.12 m. (a) Since there is no change in height (and we assume no changes in elastic potential energy), then Δ U = 0 and we have 23 mech 0 1 3.8 10 J. 2 EKm v Δ= Δ = = × where v 0 = 500 m/s and the final speed is zero. (b) By Eq. 8-33 (with
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