Asked by Amanda

A curve in a road 8m wide has a radius of 60 m. How much higher than its inner edge should be the other edge of the road be if it is to be bunked properly at 20 km/hr?

Answers

Answered by bobpursley
change km/hr to m/s

Net force from centripetal and gravity shouuld be a some angle theta.

Tan theta= v^2/r / g= v^2/rg
solve for theta
Now, the outer edge:

SinTheta=outeredgeincrease/8m
solve for outer edge increase

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