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 ?

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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) About Me  (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.


%28m%2Av%5E2%29%2F2 = m%2Ag%2Ak%2Ad,

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.