amberwhelan45781 amberwhelan45781

20-02-2024
Physics

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A rock is tied to the end of a 35 cm long string and whirled around in a circle that describes a vertical plane. The tension in the string becomes zero when the speed of the rock is:

(a) At its maximum
(b) At its minimum
(c) Zero
(d) Constant
(e) Indeterminate

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