A curve of radius 69 mm is banked for a design speed of 76
km/hkm/h .
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Physics
A curve of radius 69 mm is banked for a design speed of 76km/hkm/h .
Part A
If the coefficient of static friction is 0.28 (wet pavement), atwhat range of speeds can a car safely make the curve?[Hint: Consider the direction of the friction force whenthe car goes too slow or too fast.]
Express your answers using two significant figures. Enter youranswers numerically separated by a comma.
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4.5 Ratings (703 Votes)
v 76 kmh 21111 mssothe banking angle is found as arctan v2 gr arctan 211112 98 69 33388 degreeNowthere are two casesCase 1
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