# A lift in which a man is standing, is moving upward with a speed of 10ms−1 . The man drops a coin from a height of 4.9m and if g = 9.8 ms −2 , then the coin reaches the floor of the lift after a time

Question : A lift in which a man is standing, is moving upward with a speed of 10ms−1 . The man drops a coin from a height of 4.9m and if g = 9.8 ms −2 , then the coin reaches the floor of the lift after a time

(A) $\sqrt{2}s$

(B) 1 s

(C) $\dfrac{1}{2}s$

(D) $\dfrac{1}{\sqrt{3}}s$