61) The vertical section of a road over a bridge in the direction of its length is in the form of an area of a circle of radius 19.5 m . find the limiting velocity at which a car can cross the bridge without losing contact with the road at the highest point if the centre of gravity of the car is 0.5 m from the ground.

Answer should be : 14m/s

Dear student

Please find below the solution to your asked query.

r=19.5mh = 0.5 mR = r+h=20mfor balancinfmv2R=mgv=Rg=9.8×20=14 m/s



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