Question: 1 1. A pendulum has a 2kg stone swinging on a 4m string, Ignore the mass of string. The stone has a speed 8m/s when

1 1. A pendulum has a 2kg stone swinging on a 4m string, Ignore the mass of string. The stone has a speed 8m/s when it passes the lowest point. a) What is the speed of the stone when the string is 60 degrees to the vertical? b) What is the greatest angle that the string will reach when the stone is swinging? c) What is the total kinetic energy of the system

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