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Physics Online
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
Kinetic energy
This video explains that moving objects have kinetic energy (Ek) and shows how Ek is proportional to both the mass and velocity of an object.
By combining the formulae F=ma and W=Fs to obtain W=mas and using v2=u2 + 2as (assuming u2=0), Ek=1/2mv2 is derived.
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