Dario992
Dario992 Dario992
  • 15-05-2015
  • Physics
Answered

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

Answer :

chipperrider
chipperrider chipperrider
  • 15-05-2015
[tex]KE = \frac{1}{2}mv^{2} \\ v = \sqrt{ \frac{2KE}{m} } \\ v = \sqrt{ \frac{2*8J}{1kg} } \\ v = 4m/s[/tex]

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