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# Physics homework?

a car speeds over a hill past point a, as shown in the figure. what is the maximum speed the car can have at point a such that its tires will not leave the track of the curvature is 41.8?

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- oubaasLv 71 month ago
m*g = m*V^2/r

mass m cancels

V = √ r*g = √ 41.8*9.80 = 20.2 m/sec

V = 20.2*3.6 = 72.9 km/h

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