The gravitational potential energy of a pendulum is U = mgy. (a) Taking y = 0 at
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The gravitational potential energy of a pendulum is U = mgy.
(a) Taking y = 0 at the lowest point, show that y = L(1 − cos θ), where θ is the angle the string makes with the vertical.
(b) If θ is small,and θ ≈ x/L (Appendix A.9). Show that the potential energy can be written and find the value of k (the equivalent of the spring constant for the pendulum).
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College Physics With An Integrated Approach To Forces And Kinematics
ISBN: 978-1260547719
5th Edition
Authors: Alan Giambattista
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