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The maximum safe speed, in miles per hour, at which a car can travel on a curved road is given by V(r)= 2.7r whererrepresents the

The maximum safe speed, in miles per hour, at which a car can travel on a curved road is given by V(r)= 2.7rwhererrepresents the radius ofcurvature, in feet.

A highway crew measures the radius of curvature at an exit ramp on a highway as 520 feet. What is the maximum safe speed in miles per hour?

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