MHT CET Physics question

Physics Work, Energy and Power MHT CET

The maximum and minimum tensions in the string whirling in a circle of radius 2.5 m are in the ratio 5 : 3, then its velocity is

(A)Correct
(B)
(C)
(D)

Answer: (A)

Solution

For a mass whirled in a vertical circle with constant speed v, = mg + mv²/r (bottom) and = mv²/r - mg (top); (v²/r + g)/(v²/r -

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Question ID VK-040749