A person in lift which ascents up with acceleration 10ms^(-2) drops a stone from a height 10 m. The time of decent is [g=10ms^(-2)]

A person in lift which ascents up with acceleration 10ms^(-2) drops a

1.	A person in lift which ascents up with acceleration 10ms^(-2) drops a stone from a height 10 m. The time of decent is [g=10ms^(-2)]
Answer» 1 s 2 s 1.5 s 3 s Answer :A