Mathematics: Acopper pipe, used for plumbing from the water main to a house, is 4 meters long and has a circular cross-section 2.8 cm in diameter. there is a 2 cm diameter hole in the center of the cross-section for the entire length of the rod. what is the volume of copper in the rod in cubic inches? the density of copper is 559lb_m/ft^3 . what is the mass of the copper pipe in pounds? what is the volume of copper in cubic inches?

Acopper pipe, used for plumbing from the water main

Ответ:

kruzyoungblood8

03.01.2022

The volume of the hose is equal to the difference of the areas of the inner and outer circles with area equal to pi d^2 / 4 multiplied by height of hose, 4 meters. The annulus area is equal to 3.02 cm2.The volume is equal to 0.0012 cub, m .mass is 0.0012 cub, m times density. answer is 0.67 ft3.

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Ответ:

Jgrant500

09.10.2021

Mathematics

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