A) coefficient of restitution
B) time taken by the ball to strike ground
C) acceleration due to gravity
D) modulus elasticity of rubber
Correct Answer: A
Solution :
We can find the coefficient of restitution \[e=\sqrt{\frac{\text{height}\,\text{of}\,\text{rebounds}}{\text{height}\,\text{of}\,\text{fall}}}\]
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