Question

A parachustist jumps from an airplane and freely falls y=51.8 m before opening his parachute. Thereafter, he decelerates at a=1.86 m/s^2. As he reaches the ground, his speed is 3.04 m/s.

a)How long was the parachutist in the air?

b)At what height did the parachutist jump from his plane?

Sep 19, 2009

See
http://www.jiskha.com/display.cgi?id=1253409013

Sep 20, 2009

the answer is 7,040 J

Jan 26, 2015

Related Questions

Can someone check my answers when a skydiver jumps from an airplane, the distance d in feet the div... A skydiver jumps from an airplane. As he nears the ground he opens his parachute to help slow him as...