Work Energy and Power - Result Question 25
28. A rubber ball is dropped from a height of on a plane, where the acceleration due to gravity is not shown. On bouncing it rises to . The ball loses its velocity on bouncing by a factor of
[1998]
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 28. (b)
Solution:
- (b) According to principle of conservation of energy,
Loss in potential energy
If