A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of

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Vikash Gupta

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📊 Applied Mechanics

Q. A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of

(A) 0.18 r
(B) 0.435 r
(C) 0.25 r
(D) 0.134 r

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✅ Correct Answer: (D) 0.134 r

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