Constants Part A If a curve with a radius of 87 m is properly banked for...

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Answer 1

Answer #1

A] Here v = 79 km/h = 79*5/18 m/s

tan theta = v^2/rg = [79*5/18]^2/[87*9.8] = 0.5648

speed with friction = sqrt(rg* (tan theta + u)/(1 - u tan theta))

103*5/18 = sqrt((87*9.8*(0.5648+u)/(1-u*0.5648))

u = 0.26 answer

Answer 2

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