Solve.The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of the car's speed, and inversely as the radius of the curve. If a force of   is needed to keep an  car traveling at 20 mph from skidding on a curve of radius  what force would be required to keep the same car from skidding on a curve of radius 

style="vertical-align: -4.0px;" /> at  Round your answer to the nearest pound of force.



A. 29,158 pounds

B. 28,620 pounds

C. 28,588 pounds

D. 28,456 pounds


Answer: C

Mathematics

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