You are traveling on a hilly road at a particular spot when, Ask an Expert

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You are traveling on a hilly road. At a particular spot, when your car is perfectly horizontal, the road follows a circular arc of some unknown radius. Your speedometer reads 85.0 km/h, and your apparent weight is 30% larger than usual. Useg = 9.80 m/s2 for this problem.

What is the radius of the circular arc in meters?

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