Civil Engineering Question:
How to cal. the weight of hollow pipe?
Answer:
Length = L
Internal radius = r (internal diameter = 2r)
External radius = R (external diameter = 2R)
Volume = ?R²L -?r²L = ?L(R² - r²)
Mass = density x volume
Internal radius = r (internal diameter = 2r)
External radius = R (external diameter = 2R)
Volume = ?R²L -?r²L = ?L(R² - r²)
Mass = density x volume
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