Computing the tension in the string
A 0.8 kg stone attached to a string is whirled in a horizontal circle of radius .18 as in the figure below. The string makes an angle of 25° with the vertical. Find the tension in the string.
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Next, the circle is vertical. In the vertical case the maximum tension in the string is 18.0% larger than the tension that exists when the circle is horizontal. Determine the speed of the stone.
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