SOLUTION: The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 40 mph requires 80 ft to stop, find the stopping distance for a car traveling a
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Question 1000212: The stopping distance s of a car varies directly as the square of its speed v. If a car traveling at 40 mph requires 80 ft to stop, find the stopping distance for a car traveling at 65 mph.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
80 = k*40^2
80/1600 = k
1/20 = k
Plug k & v
s = 1/20 * 65^2
=211.25 ft
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