Answer to Question #48843 in Mechanics | Relativity for Aditya raj

Question

A person in an elevator accelerating upwards with an acceleration of 2m/sec^2, tosses a coin vertically upwards with a speed of 20m/sec. After how much time will a coin fall back into his hand?(g=10m/sec^2)
(1)1.3
(2)2.3
(3)3.3
(4)4.3
All are in seconds.