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2-2- Now, we have two values that we may possibly use for our uncertainty: the standard error and the precision. Pick the greater of the two . That is what

we will use for our uncertainty. ( Why the g reater of the two? Because we want to be on the conservative side of estimating our uncertainty .) Do this to determine the uncertainty for the period of the 0.9 m and the 0.75 m pendulums. (Why might the uncertainty for those two values be the same? Why might they be different?

Fig: 1