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xbanks52:
An object with a kinetic energy of 2160J has a mass of 120 kg. What is its velocity?
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Vocaloid:
have to get going pretty soon but it's just (1/2)mv^2 = KE, plug in your kinetic energy and mass and solve for velocity
Shadow:
\[KE = \frac{ 1 }{ 2 }mv^2\] \[2160 = \frac{ 1 }{ 2 }(120)v^2\] \[v = \sqrt (\frac{ 2160 }{ 60 })\]
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