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CBSE - XI Science - Physics - Laws of Motion

if the coefficient of the friction between the car's Tyre and roadway is 0.62. what is the least distance in which the car can accelerate from rest to 20.7ms-1.

Asked by Apoorva Tiwari 27th September 2013, 6:46 PM
Answered by Expert


Friction force is the only force acting on the car. Thus, we have
Now, using equation of motion, we get the distance travelled by car as;
Thus, the distance is;
Answered by Expert 30th September 2013, 10:37 AM

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