Question

A metalic Solid sphere of radius 5 cm is melt and Moulded into a long wire of radius 6mm then the length of the wire, in meters, is​

Answer 1

Answer:

Heya mate your answer

Step-by-step explanation:

As the wire is made out of same volume which the sphere had.

radius of sphere(r) = 12 cm

Volume of sphere = pi * 4/3 * r^3 = pi *4/3 *12^3

pi*4/3*1728 ………………………..(A)

wire is in form of cylinder

volume of cylinder = pi * r^2 *h

where r is the radius which is 2 cm and h is the height or length which we have to calculate

volume of cylinder = pi * 4 * h ……………………(B)

(A) = (B)

pi * 4/3 * 1728 = pi * 4 *h

1728/3 = h

h = 576cm