A 60.0-kg person running at an initial speed of 4.00 m/s jumps onto a 120-kg cart initially
Question:
(a) Find the final velocity of the person and cart relative to the ground.
(b) Find the friction force acting on the person while he is sliding across the top surface of the cart.
(c) How long does the friction force act on the person?
(d) Find the change in momentum of the person and the change in momentum of the cart. (e) Determine the displacement of the person relative to the ground while he is sliding on the cart.
(f) Determine the displacement of the cart relative to the ground while the person is sliding.
(g) Find the change in kinetic energy of the person.
(h) Find the change in kinetic energy of the cart.
(i) Explain why the answers to
(j) and (h) differ. (What kind of collision is this and what account for the loss of mechanical energy?)
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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