Question : A stone is dropped from a height ℎ. Simultaneously, another stone is thrown up from the ground which reaches a height 4 ℎ. The two stones cross other after time
(A) \sqrt{\dfrac{h}{8g}}
(B) \sqrt{8gh}
(C) \sqrt{2gh}
(D) \sqrt{\dfrac{h}{2g}}
Answer : option (A)
Solution :
