The diameter of sphere is 6cm .it is melted into a wire of diameter is 2cm find the length of the wire
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Radius of the sphere=6/2=3 cm,radius of the wire=2/2=1 cm
On melting the sphere into wire,
Volume of the sphere=Volume of the wire
(4/3)πr³=πr²h
(4/3)π×3×3×3=π×1×1×h
36π=πh
h=36π/π=36 cm(Ans.)
The length of the wire=36 cm
On melting the sphere into wire,
Volume of the sphere=Volume of the wire
(4/3)πr³=πr²h
(4/3)π×3×3×3=π×1×1×h
36π=πh
h=36π/π=36 cm(Ans.)
The length of the wire=36 cm
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