What is the minimum distance in which the car will stop?

  • Thread starter debbie18
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Can someone tell me how to do this question:
1. a) A car is travelling at 34.5 mi/h on a horizontal highway. The acceleration of gravity is 9.8 m/s^2. If the coefficient of static friction between road and tires on a rainy day is 0.064, what is the minimum distance in which the car will stop?
b) What is the stopping distance when the surface is dry and the coefficient of friction is 0.675.
Thanks.
 
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pervect
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debbie18 said:
Can someone tell me how to do this question:
1. a) A car is travelling at 34.5 mi/h on a horizontal highway. The acceleration of gravity is 9.8 m/s^2. If the coefficient of static friction between road and tires on a rainy day is 0.064, what is the minimum distance in which the car will stop?
b) What is the stopping distance when the surface is dry and the coefficient of friction is 0.675.
Thanks.

What have you done so far?

The following URL might help you with the definition of static and kinetic friction, if that happens to be your problem (it's hard to say, because you haven't attempted to explain how you tried to solve the problem).

http://hyperphysics.phy-astr.gsu.edu/hbase/frict2.html
 

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