A 400 g ball is released from a height of 4 m. Each time it makes contact with the ground…
Physics · JEE Main · NTA Exams — Work, Energy and Power
A 400 g ball is released from a height of 4 m. Each time it makes contact with the ground it loses 25% of its energy. Find the kinetic energy it possesses after 3rd hit.
Take g = 10 m/s2.
- 9.50 J
- 6.75 J
- 8.25 J
- 7.75 J
Answer
(B) 6.75 J
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