Asked by Jake
                The braking distance of a car is 29m. If the speed of the car is increased by 45%, what is the car's new braking distance? Assume the acceleration of the car is constant and independent of its initial speed
            
            
        Answers
                    Answered by
            drwls
            
    The time required to stop is proportional to the initial kinetic energy, and therefore proportional to V^2. 
The new braking distance will be higher by a factor (1.45)^2,.
    
The new braking distance will be higher by a factor (1.45)^2,.
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