What is the minimum length of the vertical curve

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A tow truck is searching a city street at 30 mi/h for illegally parked vehicles. It travels over an equal tangent vertical curve with an initial grade of +3.5% and final grade of -4.0%. If the height of the drivers eye is 6.0ft and the driver spots a car 450ft away with a height of 5.0ft, what is the minimum length of the vertical curve?

Reference no: EM13304786

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