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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
13 years ago

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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,.
13 years ago

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