Question

A highway curve with a radius of 900 ft is to be banked so that a car travelling 55.0 mi/hr will not skid sideways even in the absence of ftiction

Answer 1

Answer:

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Explanation:

→ horizontal component of g = v^2/r

→ g sin theta = v^2/r

→ here g = 32 ft/s^2

→ v = 56 mi/h * 5280 ft/mi * 1 h/3600 s

→ r = 1000 ft

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