Questions
Two spheres moving in opposite directions with velocities and collide will each other. If e is the coefficient of restitution, their distance of separation at time ‘t’ after collision is
detailed solution
Correct option is C
v2−v1u1−u2=e vel. of separationvel. of approachalong the line of impact(v2 - v1) = e (u1 - u2)Separation after time t, (v2-v1)t = e(v1-v2)tAs v1 and v2 are opposite directionTalk 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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