A parachute is dropped from an aeroplane. The parachute opens after 10 s and then comes down with a uniform retardation of 2.5 "m.s"^(-2). If the aeroplane was at a height of 2.495 km and g = 10 "m.s"^(-2) , then the velocity at which the parachute touches the ground is

A parachute is dropped from an aeroplane. The parachute opens after 10

1.	A parachute is dropped from an aeroplane. The parachute opens after 10 s and then comes down with a uniform retardation of 2.5 "m.s"^(-2). If the aeroplane was at a height of 2.495 km and g = 10 "m.s"^(-2) , then the velocity at which the parachute touches the ground is
Answer» 2.5 `"m.s"^(-1)` 7.5 `"m.s"^(-1)` 5 `"m.s"^(-1)` 10 `"m.s"^(-1)` ANSWER :C