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4 A car of mass M is travellingon a horizontal circular path of radius r. At an instant its speed is v andtangential acceleration is a(A) The acceleration of the car is towards the centre of the path/(B) The magnitude of the fnchonal force on the car is greater than mv2IC) The friction coefficient between the ground and the car is not less than a/g(D) The friction coefficent between the ground and the car is-tan-1-r9 |
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