Dario992 Dario992

15-05-2015
Physics

Answered

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

Verified Answer :

chipperrider chipperrider

15-05-2015

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

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

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