Question

A metallic sphere withmradius 21cm is melted and wire with diameter 2cm is prepared. find length of the wire in metres

Answer 1

Heya Friend ✋✋

Radius of sphere R = 21 cm

Radius of wire r = 1 cm

It is given that ...

Volume of sphere = Volume of wire

4/3 πR³ = πr²h

4 × 21³ / 3 = 1² × h

h = 12348 cm = 123.48 m

Hope it helps