A cylindrical pipe 2 ½ metres long has an internal diameter of 21 millimetres and an external diameter of 35 millimetres. The density of the material that makes the pipe is 1.25 g/cm‘. Calculate the mass of the pipe in kilograms. (Take n = 22/7)

Question

A cylindrical pipe 2 ½  metres long has an internal diameter of 21 millimetres and an external diameter of 35 millimetres. The density of the material that makes the pipe is 1.25 g/cm‘. Calculate the mass of the pipe in kilograms. (Take n = 22/7)

bobpursley · Answer

https://www.jiskha.com/questions/1249105/A-uniform-cylindrical-pipe-has-an-external-diameter-of-3-6cm-and-an-internal-diameter