A copper sphere of diameter 9 cm is melted and drawn into a wire of 2 mm diameter. The length of the wire is???
Answer:
1093.5 mm or 1.1m (approx)
Explanation:
Volume of Sphere = Volume of wire(cylinder)
4(pi*R^3)/3 = pi*r^2*h
R=4.5 & r=1mm
h=1093.5 mm or 1.1m(approx)
