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Question:

How do you know the diameter and weight of a round bar?

How do you know the diameter and weight of a round bar?

Answer:

The weight / weight / length is /3.14, and then the more is the radius. Then *2 is the diameter.Formula: pi * (D/2) - *L* weight = weight
The weight divided by the length is the bottom area of 2, Wu R - is the bottom area. The diameter is equal to 2R
Round is a round, the quality of its G (in grams) is equal to the volume multiplied by the density of 7.85 steel, and its volume is equal to the bottom area multiplied by the degree of L (in cm), then the bar diameter of d=4 * G / L / 7.85 / 3.14 value points

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