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Posted Under: Zong on Sep 3, 2000


Question 853 of 1002

How much will the braking distance increase if you triple the speed?
Justification

Braking distance changes with the square of the change of speed, meaning that braking distance will increase by a factor of 9 if the speed is tripled.
Options
The braking distance quadruples
The braking distance is multiplied by nine
The braking distance is multiplied by twelve
The braking distance doubles




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