The figure shows a thin rod, of length L = 1.50 m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m = 11.0 kg is attached to the other end. The rod is pulled aside to angle 00 = 6.50° and released with initial velocity 10 = 0. As the ball descends to its lowest point, (a) how much work does the gravitational force do on it and (b) what is the change in the gravitational potential energy of the ball-Earth system? (c) If the gravitational potential energy is taken to be zero at the lowest point, what is its value just as the ball is released? % (a) Number (b) Number (c) Number Mi Units Units Units L m > >
The figure shows a thin rod, of length L = 1.50 m and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass m = 11.0 kg is attached to the other end. The rod is pulled aside to angle 00 = 6.50° and released with initial velocity 10 = 0. As the ball descends to its lowest point, (a) how much work does the gravitational force do on it and (b) what is the change in the gravitational potential energy of the ball-Earth system? (c) If the gravitational potential energy is taken to be zero at the lowest point, what is its value just as the ball is released? % (a) Number (b) Number (c) Number Mi Units Units Units L m > >
Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Energy Of A System
Section: Chapter Questions
Problem 31P: A 4.00-kg particle moves from the origin to position , having coordinates x = 5.00 m and y = 5.00 m...
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