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10 February, 02:17

A 1kg pool ball travels to the right at 2m/s and hits another stopped pool ball bounces back to the left at 1m/s what is the velocity of the other pool ball

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  1. 10 February, 04:14
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    Ptotal=Ptotal - > m1v1+m2v2=m1v1'+m2v2' - > (1kg) (2m/s) + (1kg) (0m/s) = (1kg) (-1m/s) + (1kg) (v2') - > v2'=3m/s

    answer: v=3m/s
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