A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45¬¨‚àû 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$?

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

1.	A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45¬¨‚àû 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$?
A.	0.5 m/sec
B.	1.5 m/sec
C.	2.5 m/sec
D.	3.5 m/sec
Answer» D. 3.5 m/sec

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A ball moving with a velocity of 5 m/sec impinges a fixed plane at an angle of 45¬¨‚àû 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$?

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