• anonymous
How large must the coefficient of friction be between the tires and the road if a car is to round a level curve of radius 125 m at a speed of 95 km/h?
  • Stacey Warren - Expert
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  • jamiebookeater
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  • IrishBoy123
if the car is to move in a circle, it must accelerate. in this case, that means keeping the same speed but changing direction the centripetal force \(F_c\) that causes the car to accelerate in this way is \(F_c = \dfrac{m v^2}{r}\) it comes from the tyres. does that get you started?!?!
  • anonymous
And don't forget that you need to also think which force is considered centripetal and equate the two forces. In other words, there is a certain force that causes the car's path to become circular. What is that force?

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