A particle of mass 100 g tied to a string is rotated along the circle of radius 0 . 5 m . The breaking tension of the string is 10 N . The maximum speed with which particle can be rotated without breaking the string is

Question

A particle of mass 100 g tied to a string is rotated along the circle of radius 0 . 5 m . The breaking tension of the string is 10 N . The maximum speed with which particle can be rotated without breaking the string is, 10 m s - 1, 9.8 m s - 1, 7.7 m s - 1, 7.07 m s - 1

MARKS App · Accepted Answer

F = m ω 2 r = m v 2 r v = f . r m = 1 0 × 0 . 5 1 0 0 × 1 0 - 3 m s - 1 = 7.07 m s - 1

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