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A car traveling at 60 mph has how much more energy than a car going at 15 mph? KE increases by a fa...
5 months ago
Q:
A car traveling at 60 mph has how much more energy than a car going at 15 mph? KE increases by a factor of _____. 4 1/4 16 1/16
Accepted Solution
A:
KE increases by the square of the speed. Since the first car is moving 4 times faster, its KE is 16 times higher