A copper wire of diameter 6mm is evenly wrapped on a cylinder of length 15 cm and diameter 49 cm to
Channel: Doubtnut
Date: 2020-01-03

A copper wire of diameter 6mm is evenly wrapped on a cylinder of length 15 cm and diameter 49cm to cover its whole surface. Find the length and volume of the wire. If the specific gravity of copper be 9g per cu cm, find the weight of the wire.