Solve the problem.The formula  can be used to estimate the maximum safe velocity v, in miles per hour, at which a car can travel along a curved road with a radius of curvature r, in feet. To the nearest whole number, find the radius of curvature if the maximum safe velocity is 30 miles per hour.

A. 2250 ft
B. 144 ft
C. 360 ft
D. 900 ft


Answer: C

Mathematics

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A.

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?Vector V with magnitude  forms an angle with the positive x-axis. Give the magnitude of the horizontal and vertical vector components of V, namely  and 

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