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 
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Round your answer to the nearest pound of force?
A. 13,582 lb
B. 14,284 lb
C. 13,714 lb
D. 13,746 lb
Answer: C
Mathematics
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A. 
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C. 
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