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Atennis ball bounces down a flght of stairs striking each step in turn and rebounding to the height of the step above. Then coefficient of restitution is?

Atennis ball bounces down a flght of stairs striking each step in turn and rebounding to the height of the step above. Then coefficient of restitution is?
 

Grade:12

1 Answers

Vikas TU
14149 Points
7 years ago
This can be visualised as:
h is directly proprtional to v^2
and height get doubled after one step then,
for height h initial vel. is v^2
after height 2h the vel. becomes 4v^2
e = (root(h/2)/(root(h))
   = 1/root2

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