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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