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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?

```
4 years ago

Vikas TU
14146 Points
```							This can be visualised as:h is directly proprtional to v^2and height get doubled after one step then,for height h initial vel. is v^2after height 2h the vel. becomes 4v^2e = (root(h/2)/(root(h))   = 1/root2
```
4 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions