Question: A 1.2 kg rock attached to a string is whirled clockwise in a horizontal circle on a frictionless surface. The rock moves 8.7 m, moving

A 1.2 kg rock attached to a string is whirled clockwise in a horizontal circle on a frictionless surface. The rock moves 8.7 m, moving from point A to point D, and completes five revolutions in a time of 7.2 5. Determine the tension in the string. [4]

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