AP EAMCET · PHYSICS · Center of Mass Momentum and Collision
A body falls freely from a height of \(100 \mathrm{~m}\) on to the ground and rebounds to a maximum height of \(36 \mathrm{~m}\) after collision. The coefficient of restitution between ground and the body is
- A 0.4
- B 0.36
- C 0.6
- D 0.5
Answer & Solution
Correct Answer
(C) 0.6
Step-by-step Solution
Detailed explanation
First height of rebound, \(h_1=e^2 h_0\) \[ \therefore 36=\mathrm{e}^2(100) \Rightarrow \mathrm{e}^2=\frac{36}{100} \therefore \mathrm{e}=\sqrt{\frac{36}{100}}=\frac{6}{10}=0.6 \]
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