A3.0 kg object moving 8.0 m/s in the positive x direction has a one-dimensional elastic collision with an object (mass = m) initially at rest. after the collision the object of unknown mass has a velocity of 6.0 m/s in the positive x direction. what is m?
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A3.0 kg object moving 8.0 m/s in the positive x direction has a one-dimensional elastic collision wi...
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