KE = 1/2(mass)(velocity)^2
80 Joules = 1/2(10 kg)V^2
multiply through by 2
160 = (10)V^2
divide both sides by 10
16 = V^2
take square root both sides
4 meters per second = velocity
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80 Joules = 1/2(10 kg)V^2
multiply through by 2
160 = (10)V^2
divide both sides by 10
16 = V^2
take square root both sides
4 meters per second = velocity
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