Work Energy And Power Question 96

Question: A metal ball falls from a height of 32 metre on a steel plate. If the coefficient of restitution is 0.5, to what height will the ball rise after second bounce [EAMCET 1994]

Options:

A) 2 m

B) 4 m

C) 8 m

D) 16 m

Show Answer

Answer:

Correct Answer: A

Solution:

$ h _{n}=he^{2n} $ = $ 32{{( \frac{1}{2} )}^{4}}=\frac{32}{16}=2m $ (here n = 2, e = 1/2)



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