A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 4

Question

A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45° and its direction after impact is equally inclined to the line of impact. If the coefficient of restitution is 0.5, the velocity of the ball after impact will be

Options:

A . 0.5 m/sec

B . 1.5 m/sec

C . 2.5 m/sec

D . 3.5 m/sec

Answer: Option C

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