0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 9 x ohm m, and the density is 7.06...

A 52.0 g sample of a conducting material is all that is available. The resistivity of the material is measured to be 9 x ohm· m, and the density is 7.06 g/cm3. The material is to be shaped into a solid cylindrical wire that has a total resistance of 1.5 ohms. (a) What length of wire is required (in m)?(b) What must be the diameter of the wire(in mm)?*I'm not sure how to even begin--please help!