A ball falling freely from a height of 4.9 m hits a horizontal surface. If 
, then the ball will hit the surface second time after
Text Solution
Verified by ExpertsThe correct answer is:
B
From equation of motion,
Given, 
Coefficient of restitution (e) of an object is a unique fractional value representing the ratio of relative velocities before and after an impact.
Time taken from first bounce to second bounce is
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