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OpenStudy (anonymous):
A car traveling at 60 mph has how much more energy than a car going at 20 mph? How much farther will a car skid if it locks its brakes at 60 mph as compared to a skid from 15 mph? Assume the braking force that will eventually stop the cars is provided by the road and that it acts with equal magnitude in both situations. Distance increases by a factor of _____.
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OpenStudy (anonymous):
Wouldn't it be 4?
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