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Hey girl skateboards with the kinetic energy of 2543. To J if the girl in the skateboard have a total mass of 110 KG what is her speed

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KE=1/2mv^2 so from the given information we have;

2543J=1/2(110kg)v^2

5086J=110kg(v^2)

5086J/(110kg)=v^2

Sqrt(5086J/110kg)=v

v=6.80m/s

Hope this helps. Any questions please just ask. Thank you.
User Wladislaw
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