the stopping distance D meters of a car is inversely proportional to the square of its speed s km/h when the brakes are applied. a car travelling at 50 km/h requires a stopping distance of 20 meters. if the stopping distance is 500 meters what is the speed of the car when the brakes are applied.
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the stopping distance of an automobile is directly proportional to the square of its speed v. a car required 90 feet to stop when its speed was 70 miles per hour. find a mathematical model that gives the stopping distance d in terms of its speed v
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