Question

the diameter of a sphere is 6 cm. it is melted and drawn into a wire of diameter 1cm. find the length of the wire

Answer 1

Answer:

Let the length of the wire be h cm. Then,

Volume of material in wire = Volume of the sphere of radius 6 cm

⇒π×(0.1)

2

×h=

3

4

×π×(3)

3

⇒h=3600cm=36m