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A bicyclist traveling with speed v= 4.2 m/s on a flat road ismaking a turn with a radius r =6.4m . The forces acting on cyclistand the cycle are the normal force and friction force exerted onthe road on the tires and mg, the total weight of the cyclist andcycle.

If the coefficient of static friction between tiresand road is 0.70, what is the minimum turning radius?

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