Answer to Question #345880 in Physics for seph

Question #345880

A curve in a road has a radius of 240 m. If the road surface is level and on a  

               rainy day the coefficient of static friction is 0.48, what is the maximum speed 

               at which the car can negotiate this curve? 

            

         


1
Expert's answer
2022-05-30T15:18:15-0400
ma=Fma=F

mv2R=μmg\frac{mv^2}{R}=\mu m g

v=μgR=0.489.8240=33.6m/sv=\sqrt{\mu g R}\\ =\sqrt{0.48*9.8*240}=33.6\:\rm m/s


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