Question: An item is to be constructed by laying two components end to end. The length of each component will be measured. a. If the uncertainty

An item is to be constructed by laying two components end to end. The length of each component will be measured.
a. If the uncertainty in measuring the length of each component is 0.1 mm, what is the uncertainty in the combined length of the two components?
b. If it is desired to estimate the length of the item with an uncertainty of 0.05 mm, what must be the uncertainty in the measurement of each individual component? Assume the uncertainties in the two measurements are the same.

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