Question: A body of mass 2 kg is thrown up vertically with kinetic energy of 490 J. The height at which the kinetic energy of the body becomes half of its original value is?
(A) 50 m
(B) 12.25 m
(C) 25 m
(D) 10 m
Answer: Option (B)
Solution:

Question: A body of mass 2 kg is thrown up vertically with kinetic energy of 490 J. The height at which the kinetic energy of the body becomes half of its original value is?
(A) 50 m
(B) 12.25 m
(C) 25 m
(D) 10 m
Answer: Option (B)
Solution: