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A stone of mass 1 Kg, tied to the end of a string of length 30cm, is whirled in a vertical circle such that its

A stone of mass 1 Kg, tied to the end of a string of length 30cm, is whirled in a vertical circle such that its angular velocity when the string is horizontal is 10 rad/s. If the tension in the string at that instant is 5T, find the value of T.

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