The diameter of a copper sphere is 6 cm. The sphere is melted and is drawn into a long wire of uniform circular cross section. If the length of the wire is 36 cm, The radius is

• Radius of wire is 1 cms.
  
  If correct, I shall give calculation later because typing maths calc is time consuming.
• 12 years agoHelpfull: Yes(3) No(0)