1. The problem statement, all variables and given/known data Using the slope from a graph of the square root of the pendulum's length vs period (which would be a linear relationship), calculate the experimental acceleration due to gravity. 2. Relevant equations I'm trying to figure out what equation I can use to solve for 'g'. I know that T = 2*pi*√(L/g), but will that help here? I need to use the slope of the graph in order to calculate g. Thanks in advance!