A pendulum consists of a 2.5 kg stone swinging on a 4.0 m string of negligible mass. The stone has a speed of 7.8 m/s when it passes its lowest point. (a)What is the speed when the string is at 51 ˚ to the vertical? (b) What is the greatest angle with the vertical that the string will reach during the stone's motion? (c) If the potential energy of the pendulum-Earth system is taken to be zero at the stone's lowest point, what is the total mechanical energy of the system?
A pendulum consists of a 2.5 kg stone swinging on a 4.0 m string of negligible mass. The stone has a speed of 7.8 m/s when it passes its lowest point. (a)What is the speed when the string is at 51 ˚ to the vertical? (b) What is the greatest angle with the vertical that the string will reach during the stone's motion? (c) If the potential energy of the pendulum-Earth system is taken to be zero at the stone's lowest point, what is the total mechanical energy of the system?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A pendulum consists of a 2.5 kg stone swinging on a 4.0 m string of negligible mass. The stone has a speed of 7.8 m/s when it passes its lowest point. (a)What is the speed when the string is at 51 ˚ to the vertical? (b) What is the greatest angle with the vertical that the string will reach during the stone's motion? (c) If the potential energy of the pendulum-Earth system is taken to be zero at the stone's lowest point, what is the total mechanical energy of the system?
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