A parachutist after bailing out falls 50 m without friction. When parachute opens, it decelerates at 2 m/s². He reaches the ground with a speed of 3 m/s. At what height, did he bail out?

Kinematics: JEE Main 2005 Physics question

JEE Main 2005 · Annual, Paper 1 · Q7856

JEE Main 2005Annual, Paper 1PhysicsMediumKinematics177× since 2002

A parachutist after bailing out falls

50

m

without friction. When parachute opens, it decelerates at

2\,\,m/{s^2}.

He reaches the ground with a speed of

3

m/s

. At what height, did he bail out?