A person in a lift which descends down with an acceleration of 1.8m//s^(2) drops a stone from a height of 2 m. The time of descent is

A person in a lift which descends down with an acceleration of 1.8m//s

1.	A person in a lift which descends down with an acceleration of 1.8m//s^(2) drops a stone from a height of 2 m. The time of descent is
Answer» `SQRT(2)` SEC `2sqrt(2)` sec `1//sqrt(2)` sec `(1)/(2)` sec Answer :C