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A small stone of mass m is attached to a light string which passes through...

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A small stone of mass m is attached to a light string which passes through a hollow tube The tube is held by one hand and the free end of the string by the other hand The mass is set into revolution in a horizontal circle of radius r with a speed v The string is pulled down shortening the radius of the circular path to r2 Which of the following is not correct W Ek have usual meanings T is tension Question Type Single 1 W2 3 11 2722 Correct Type

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