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The blocks shown in figure have equal ma...

The blocks shown in figure have equal masses. The surface of A is smooth but that of B has a friction coefficient of 0.10 with the floor. Block A is moving at a speed of 10 m/s towards B which is kept at rest. Find the distance travelled by B if a. the collision is perfectly elastic and b. the collision is perfectly inelastic. Take `g=10 m/s^2`.

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