Asked by mssailormouth
If the speed of a car is doubled, the work to stop the car changes by a factor of
so it's 4....but I cannot think of how I know it is double. Any explaination?
so it's 4....but I cannot think of how I know it is double. Any explaination?
Answers
Answered by
oobleck
It is not double - it is squared,
because KE involves v^2
because KE involves v^2
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