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19-10-2017
Physics

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A 48-kg boy is running on a track at 6m/s .What is the boys kinetic energy?

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19-10-2017

Kinetic energy is modelled by the formula
Ek=0.5mv^2

sub in the boys mass and speed to find the kinetic energy

Ek=0.5(48)(6)^2

Ek=24 x 36

Ek = 864 J

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