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Physics, 10.02.2020 09:29 tzartiger12

A ball with mass m moves at 3 m/s hits an identical ball at rest. After the collision, the first ball moves 45 degree north east and second ball moves 45 degree south east. Find velocity final and KE before and KE after. (100 points)

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A ball with mass m moves at 3 m/s hits an identical ball at rest. After the collision, the first bal...

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