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QUESTION
An object of mass m is moving with speed vo to the right on a horizontal frictionless surface, when it explodes into two pieces.
An object of mass m is moving with speed vo to the right on a horizontal frictionless surface, when it explodes into two pieces. Subsequently, one piece of mass 2/5 m moves with a speed of 1/2 vo to the left. The speed of the other piece of the object is...?
