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A ball on the end of a string is revolved at a uniform rate in a vertical

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A ball on the end of a string is revolved at a uniform rate in a vertical circle of radius 72.0 cm, as shown in Fig. 5-33. If its speed is 4.00 m/s and its mass is 0.300kg, calculate the tension in the string when the ball is
(a) At the top of its path, and
(b) At the bottom of its path.


F12 mg
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F12 mg

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