Solve the problem.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. 13,967 lb

B. 13,803 lb

C. 14,505 lb

D. 13,935 lb


Answer: D

Mathematics

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