Author Question: A skydiver who weighs 500 N reaches terminal velocity at 90 km/h. The air resistance on the skydiver ... (Read 180 times)

Kikoku · **on:** Jul 29, 2018

A skydiver who weighs 500 N reaches terminal velocity at 90 km/h. The air resistance on the skydiver is

A) 90 N.
B) 250 N.
C) 410 N.
D) 500 N.
E) none of the above

Question 2

A parachutist steps from a hovering helicopter and falls for 5 s before reaching terminal velocity. During this 5-s interval, her acceleration

A) is constant.
B) increases.
C) decreases.
D) is zero.
E) none of the above