This depends on the size of the copper pipe and what class it is. For example, copper pipe half inch class 0 and copper pipe class 3 have a wide weight difference because the wall of the class 3 copper pipe is much thicker.
Depends how long it is
40
its 10000kg
Yes.
It would weigh about 14.3 pounds .
A boy that is 4 foot 9 inch should weigh between 30 to 40 kilograms. This is the ideal weight but it varies in most cases.
Nothing--in space
100-115
152 pounds
125 lbs
Cooper weighs 542 lbs. per square foot. So, 542 divided by 1,728 (the number of inches per square foot). One cubic inch of copper weighs 0.31 lbs., or about 5 ounces.
500 / (16 x 12) = ~2.604 gallons/inch