the class split into groups to do one length of string for the pendulum each.
our group did 0.8m.
each group measured the period for 4 trials then took an average.
all groups used the same mass ball on the end of the string to not rig up the results.
the experiment was to test whether length had an effect on the period of a pendulum swinging.
my prediction was longer ones would take longer, and thats what the class' results show.
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