Question: A particle is released from a height h, At a certain height; its KE is two times its potential energy. Height and speed of the particle at that instant are
(A) \dfrac{h}{3},\sqrt{\dfrac{2gh}{3}}
(B) \dfrac{h}{3},2\sqrt{\dfrac{gh}{3}}
(C) \dfrac{2h}{3},\sqrt{\dfrac{2gh}{3}}
(D) \dfrac{h}{3},\sqrt{2gh}
Answer: Option (B)
Solution:
