Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 7 - Kinetic Energy and Work - Problems: 19


25 Joules

Work Step by Step

To find how much greater the Kinetic Energy would be, we need to find the work done by the rope, Fr. Since W = Fd then we use Fr = 50N and d = .50m to find the work done, which is 25 Joules. If the rope were not there, the Kinetic Energy would have increased by this additional 25J.
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