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Question

A car is moving with uniform speed over a circular bridge of radius R which subtends an angle of 900 at its centre. Find the minimum possible speed so that the car can cross the bridge without losing the contact any where.

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Solution

Fe=mgmV2maxR=mgVmax=gR
1157533_984879_ans_318f807d56b8440aa5caf26e2e939103.png

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