Question

A pendulum consists of a 1.0 kg ball fastened to the end of a 80-meter-long length of strong wire. We set it oscillating back and forth with an angular amplitude 0.19 radians (A) What is the period of oscillation? (B) What is the maximum speed of the ball? (C) What is the total energy of the system? (Note: you may assume that gravitational PE is zero at the bottom of the swing.) seconds. m/s.

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