25-09-2021
Physics

contestada

the diameter of a steel rod is written as 56.47 +_ 0.02 mm .what does it mean ?

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ycnnico29 ycnnico29

25-09-2021

Answer:

The diameter of rod is 56.47(+-) 0.02 mm. It means that the instrument measuring the diameter 56.47 has instrumental error 0.02 mm.

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