SOLUTION: the coefficient of static friction between car's tires and a level road is 0.08. If car is to be stopped in time 0.3s, its speed is ?

Question 1086701: the coefficient of static friction between car's tires and a level road is 0.08. If car is to be stopped in time 0.3s, its speed is ?

Answer by ikleyn(52915) (Show Source): You can put this solution on YOUR website!
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the coefficient of static friction between car's tires and a level road is 0.08. If car is to be stopped in time 0.3s, its speed is ?
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The energy conservation law says:

    An original kinetic energy = work of the friction force.


 = ,

where m is the mass, v is the velocity, g = gravity acceleration, k is the friction coefficient, d is the distance.


Make calculations on your own.

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