A 68.0-kg male dancer leaps 0.30 m high.
(a) With what momentum does he reach the ground?
2.43
Incorrect: Your answer is incorrect.
kg · m/s
(b) What impulse is needed to stop the dancer?
-666.4
Incorrect: Your answer is incorrect.
N · s
(c) As the dancer lands, his knees bend, lengthening the stopping time to 0.050 s. Find the average force exerted on the dancer's body.
48.6
Incorrect: Your answer is incorrect.
N
(d) Compare the stopping force with his weight.
666.4
Incorrect: Your answer is incorrect.
(stopping force/dancer's weight)
