Math

A body of mass 3kg moving at 15m/s collides with another body of mass 5kg moving at 26 m/s in the same direction. After collision the 5kg body moves at 39.8m/s in the same direction. Find the velocity of the 3kg body after collision

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  1. total momentum is constant in the system

    the sum of the initial momenta equals the sum of the final momenta

    find the total and subtract the larger mass after the collision

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    posted by scott

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