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which part of the diagram represents the nucleus?

a)ab)bc)cd)d

The a992 steel rod bc has a diameter of 50 mm and is used as a strut to support the beam. determine the maximum intensity w of the uniform distributed load that can be applied to the beam without risk of causing the strut to buckle. take f.s. = 2 against bucklin

In an experiment, how can i change human errors? be specific.

Ascientific blank must be testable and capable of being proven false?