Simple Harmonic Motion equation rearrangement?

AI Thread Summary
To calculate free-fall acceleration (ag) from the period of a simple pendulum, the equation T=2π√(l/g) needs to be rearranged. By isolating g, the formula becomes g = (4π²l) / T². Using the provided values of length (1 meter) and period (20.1 seconds), one can substitute these into the rearranged equation to find ag. The user successfully solved the problem after seeking assistance. Understanding the rearrangement of the pendulum equation is crucial for accurate calculations in physics experiments.
spacealgae
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Homework Statement


Hello! I have a physics homework question I just need help at!
What I am supposed to do is calculate the value for free-fall acceleration, ag, for each of my trials that I did in my lab. I supposed to use the equation for the period of the simple pendulum, T=2π√l/g, but I have to rearrange it to solve for ag. How would I do that?

Homework Equations


Here are some sample values I used in my lab:
Length: 1 meter
Period: 20.1 seconds

The Attempt at a Solution

 
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*Update*
I figured it out!
 
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