29. We choose the positive direction in the direction of rebound so that Gvf>0 and Gvi<0. Since they have the same speed v, we write this as Gvvf=and Gi=−. Therefore, the change in momentum for each bullet of mass mis ΔΔGpmv mv==2. Consequently,
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This note was uploaded on 05/17/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.