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The formula \( E = \dfrac{1}{2}mv^2 \) relates kinetic energy (\( E \)), mass (\( m \)), and speed (\( v \)).
Rearrange the formula to make \(v\) the subject.
Choose the correct answer:
\(v = \sqrt{\dfrac{2E}{m}}\)
\(v = \dfrac{E}{m}\)
\(v = \dfrac{2E}{m}\)
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