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)1/2 (d)1/√2

Answer 1

Answer:

√2s is your answer

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Answer 2

Answer:

$\sqrt{2}\: is\: the\: right\: answer.$

Hope it helps.

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