Asked by sarah

If the speed of a car is increased by 35%, by what factor will its minimum braking distance be increased, assuming all else is the same? Ignore the driver's reaction time.
Answered by drwls
Braking distance increases with the square of the initial velocity, because it depends upon the car's initial klietic energy.

What is the square of 1.35?
Answered by sarah
oh right!! i forgot about square rooting 1.35.
thank you!
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