The radius of a sphere is 9cm.It is melted and drawn into a wire with diameter 2mm.Find the length of wire in meters.
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Radius of sphere = R = 9cm
Volume of sphere = 4/3*pi*R³
= (4/3*pi*729)cm³
Radius of wire = 1mm = 1/10 cm = r
Volume of wire = Volume of sphere
2*pi*r*h = 4/3*pi*729
2*(1/10)*h= 4*243
h = 4860 cm
Volume of sphere = 4/3*pi*R³
= (4/3*pi*729)cm³
Radius of wire = 1mm = 1/10 cm = r
Volume of wire = Volume of sphere
2*pi*r*h = 4/3*pi*729
2*(1/10)*h= 4*243
h = 4860 cm
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