A car of mass m = 800 kg traveling at55.0 km/hour enters a banked turn covered w

Question

A car of mass m = 800 kg traveling at55.0 km/hour enters a banked turn covered with ice. The roadis banked at an angle , and there is no friction between theroad and the car's tires. a)What is the radius r of the turn if = 20.0degrees. (assuming the car continues in uniform circularmotion around the turn)? A car of mass m = 800 kg traveling at55.0 km/hour enters a banked turn covered with ice. The roadis banked at an angle , and there is no friction between theroad and the car's tires. a)What is the radius r of the turn if = 20.0degrees. (assuming the car continues in uniform circularmotion around the turn)?

Explanation / Answer

WE have. F_centripetal/F_gravity=tan. so mv^2/r=mg*tan20. v^2/gtan20=r so r=65,4(m)

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