Question

A copper wire 3 mm in diameter is bounded about a cylinder of length 1.2 metres and diameter 10 cm to cover the curved surface area of the cylinder find the length of wire and mass of wire assuming the density of copper wire to be 8.88gram per centimetre

Answer 1

The length of copper wire is 75.4285 m = 7542.85 cm
And it's mass is 66,980.508 g =66 kg