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Grade: 12th pass
        
A ball is released from a height h above a floor with coefficient of restitution e between floor and ball will take before coming to rest . Also find the total time after which ball will come to rest. 
11 months ago

Answers : (1)

Arun
20888 Points
							
For an object bouncing off a stationary object, such as a floor, coefficient of restitution e = sqrt (h’ / h)
 
The height to which it bounces h’ = e2 h 
 
Similarly, after it rebounds for the nth time, the height to which it rises h’ = e2n h
11 months ago
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