jordansyuh jordansyuh

26-03-2021
Physics

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A 0.40 kg soccer ball has 20 J of kinetic energy. How fast is it moving?

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rheaahaddad rheaahaddad

26-03-2021

1/2 x m x v^2 = 20J
1/2 x 0,40 x v^2 = 20J
v^2 = 20/0,5x0,4
v^2 = 100
v = 10
it is moving at 10 m/s

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