8. Direct central impact between a 100 lb body moving to the right at 5 fps and a body of weight W moving to the left at 3 fps. The coefficient of restitution e=0.5. After impact the 100 Ib body...

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Extracted text: 8. Direct central impact between a 100 lb body moving to the right at 5 fps and a body of weight W moving to the left at 3 fps. The coefficient of restitution e=0.5. After impact the 100 Ib body rebounds to the left at 2 fps. Determine the weight W of the other body.