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nickmai123
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"A banked circular highway curve is designed for traffic moving at 70 km/h. The radius of the curve is 186 m. Traffic is moving along the highway at 35 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow cars to negotiate the turn without sliding off the road?"
[tex]F_{c}=\frac{mv^{2}}{r}[/tex]
[tex]v_{unbanked}=\sqrt{ru_{k}g}[/tex]
[tex]v_{banked}=\sqrt{rgtan\theta}[/tex]
I'm lost. I don't know where to start with this problem. I know how to work the typical banked and unbanked curves, but I don't get how to draw the free-body diagram here.
Thanks.
[tex]F_{c}=\frac{mv^{2}}{r}[/tex]
[tex]v_{unbanked}=\sqrt{ru_{k}g}[/tex]
[tex]v_{banked}=\sqrt{rgtan\theta}[/tex]
I'm lost. I don't know where to start with this problem. I know how to work the typical banked and unbanked curves, but I don't get how to draw the free-body diagram here.
Thanks.
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