sukySchmidh4aw0to sukySchmidh4aw0to

06-11-2016
Physics

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If a speed is based on what would be safe in wet weather, what would be the radius of curvature for a curve marked 40 km/h? the coefficient of static friction of rubber on wet concrete is μs=0.7, the coefficient of kinetic friction of rubber on wet concrete is μk=0.5.

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syed514 syed514

14-11-2016

Radius of the curbature for a curve marked 40km/h will be 17.99m

M V^2 / R = µ . M . g
R = V^2 / µ . g = 11.11^2 / 0.7 . 9.8 = 17.99

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