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A body 'x' with a momentum 'p' collides with another identical stationary body 'y' one dimensionally. During the collision 'y' gives an impulse 'J' to the body 'x'. Then the coefficient of restitution is
detailed solution
Correct option is A
Initial momentum of body - 1 = p. As the impulse transeferred by y to x is in a direction opposite to the direction of initial motion of x, its final momentum mv2 = p + (-J). Also, since impulse transferred by x to y is in the direction of motion of y , we can write, mv2 = JTalk to our academic expert!
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A steel ball is released from a height of 27 m onto a fixed horizontal steel plate. On bouncing the ball rises to a height of 3 m. Then co-efficient of restitution is
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