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(2) Calculate the random error on the period using the formu
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SD
error which is given by standard error=
Q2. Two objects have masses (100±0.4) g and (98±0.3) g.
(1) What is the absolute error on the sum of their masses?
(2) What is the relative error on the sum of their masses?

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may you explainthe steps invloved with reciving the answer for part 2. i am confused as to how 0.3100 was produced when deltaBxA = 0.3x100= 30.

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