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Elastic collision

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Two blocks are free to slide along a frictionless wooden track ABC as shown in Figure (see attachment). A block of mass m1 = 4.95 kg is released from A. Protruding from its front end is the north pole of a strong magnet, repelling the north pole of an identical magnet embedded in the back end of the block of mass m2 = 9.00 kg, initially at rest. The two blocks never touch. Calculate the maximum height to which m1 rises after the elastic collision.

(solve in meters)

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The problem on elastic collision of two blocks has been solved using the law of conservation of momentum and law of conservation of mechanical energy.

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