Physics, 09.12.2021 20:20, rakanmadi87

a ball of mass m is attached to a string of length r and negligible mass. the ball moves clockwise in a vertical circle, as shown above. when the ball is at point p, the string is horizontal. point q is at the bottom of the circle and point z is at the top of the circle. air resistance is negligible. express all algebraic answers in terms of the given quantities and fundamental constants.

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a ball of mass m is attached to a string of length r and negligible mass. the ball moves clockwise i...