An experiment is performed where the length of a pendulum and its period are measured. The length is manipulated and the

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An experiment is performed where the length of a
pendulum and its period are measured. The length is manipulated and
the period is measured again and found to respond. The following
data is collected.
Determine the slope of the straight line. Show all your
work. Answer to two significant digits. Use the slope of the
line to determine the gravitational field strength (that is,
acceleration due to gravity). Hint: slope 4 /g 2 = r .Which
equation served as a basis for that hint? Prove the hint was
valid.