Question: A ball tied to a string fastened at the other end to a rigid support forms a pendulum. If we pull the ball to one

A ball tied to a string fastened at the other end to a rigid support forms a pendulum. If we pull the ball to one side and release it, the ball moves back and forth along an arc determined by the string length.
a. Is the velocity constant in this process? Explain.
b. Is the speed likely to be constant in this process? What happens to the speed when the ball reverses direction?

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