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)
