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37.5J=6kyv^{2}
Multiply \frac{1}{2} and 12 to get 6.
\frac{37.5J}{37.5}=\frac{6kyv^{2}}{37.5}
Divide both sides of the equation by 37.5, which is the same as multiplying both sides by the reciprocal of the fraction.
J=\frac{6kyv^{2}}{37.5}
Dividing by 37.5 undoes the multiplication by 37.5.
J=\frac{4kyv^{2}}{25}
Divide 6kyv^{2} by 37.5 by multiplying 6kyv^{2} by the reciprocal of 37.5.
37.5J=6kyv^{2}
Multiply \frac{1}{2} and 12 to get 6.
6kyv^{2}=37.5J
Swap sides so that all variable terms are on the left hand side.
6yv^{2}k=\frac{75J}{2}
The equation is in standard form.
\frac{6yv^{2}k}{6yv^{2}}=\frac{75J}{2\times 6yv^{2}}
Divide both sides by 6yv^{2}.
k=\frac{75J}{2\times 6yv^{2}}
Dividing by 6yv^{2} undoes the multiplication by 6yv^{2}.
k=\frac{25J}{4yv^{2}}
Divide \frac{75J}{2} by 6yv^{2}.