# Transposing calculation help

how to transpose the formula T=2pi *sqrt(m/k) so k is the subject

## Answers and Replies

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You see that your $$k$$ is inside the square root. Maybe squaring both sides of the equation might help?

would that make it T^2 = (2pi)^2 *(m/k) ???

Good work. You're only one step away. Remember that you want to find an equation $$k = ??$$.

What if we multiply both sides by $$k$$, and then divide both sides by $$T^2$$?

so k=4pi^2*m/(T^2)