Physics, 28.10.2019 23:31 chandranewlon
Apendulum consists of a 2.7 kg stone swinging on a 4.0 m string of negligible mass. the stone has a speed of 8.1 m/s when it passes its lowest point. (a) what is the speed when the string is at 63 ˚ 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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Apendulum consists of a 2.7 kg stone swinging on a 4.0 m string of negligible mass. the stone has a...
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