Question
Fri September 27, 2013 By: Apoorva Tiwari

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.

Expert Reply
Romal Bhansali
Mon September 30, 2013
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;
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