Do you know your Basics?-II
Classical Mechanics
Level
1
If the velocity of a car increases six times, then the kinetic energy becomes how many times?
The answer is 36.
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K = \frac {1}{2} m v^{2} Let: m = 2 to cancel the fraction. V = 1, Then we get K = 1^{2} , When V increase 6x, so (6x1)^{2} K = 36