Question

A lift in which a man is standing, is moving upwards with a speed of 10 ms⁻¹. The man drops a coin from a height of 4.9 metre and if g = 9.8 ms⁻², then the coin reaches the floor of the lift after a time(a) √2 s (b) 1 s(c) $\frac{1}{2}$(d) $\frac{1}{\sqrt{2}}$

Answer 1

hope it's helps u dear

Answer 2

hey dear

ur answer is ^_^

option no b

thanks