SOLUTION: The distance, d, an automobile travels after the brakes have been applied varies directly as the square of the speed, s. If the stopping distance for a car going 30 mph is 54 feet,

SOLUTION: The distance, d, an automobile travels after the brakes have been applied varies directly as the square of the speed, s. If the stopping distance for a car going 30 mph is 54 feet,

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Question 297387: The distance, d, an automobile travels after the brakes have been applied varies directly as the square of the speed, s. If the stopping distance for a car going 30 mph is 54 feet, what is the stopping distance for a car going 70 mph?
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
30^2/54=70^2/x
900/54=4900/x
900x=264600
x=294 ft
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