A 1 kilogram ball has 8 joules of kinetic energy. what is its speed

asked May 26, 2016 205k views

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$KE = (1)/(2)mv^(2) \\ v = \sqrt{ (2KE)/(m) } \\ v = \sqrt{ (2*8J)/(1kg) } \\ v = 4m/s$

Therefore, the ball has a velocity of 4m/s.

Laryn answered Jun 2, 2016

by Laryn

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