Question

The diameter of a sphere is 6 cm. It is melted and drawn into a wire of diameter 2 mm. what is The length of the wire ​

Answer 1

Step-by-step explanation:

2mm=0.2cm

Radius=6/2=3

Volume of sphere=4/3πr*2

Volume=4/3 ×9π

Volume=12π

Volume of wire will equal to volume of sphere therefore

Volume of wire=πr*2h

12π=πr*2h

12=0.4 h

30=h