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Choose the correct option: A small col...

Choose the correct option:
A small collar of mass `m` is given an initial velocity of magnitude `v_(0)` on the horizontal circular track fabricated from a slender rod. If the coefficient of kinetic friction is `mu_(K)`, determine the distance traveled before the collar comes to rest. (Recognize that the friction force depends on the net normal force).

Text Solution

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The correct Answer is:
` s= R/(2mu_(k)) log_(e) [(v_(0)^(2)+sqrt(R^(2)g^(2)+v_(0)^(4)))/(Rg)]`
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