Question

a spherical copper ball of diameter 14 cm is melted and converted into a wire having diameter 14 cm find the length of the wire

Answer 1

Here's your answer the will be approximately this much only ...

Answer 2

Volume of the solid sphere = 4/3πr³

=4/3π×7×7×7 cm³

Let length of wire = h cm

πR²h=4/3π×7×7×7

7×7×h=4/3×7×7×7

h=28/3 cm