the diameter of a sphere is 6cm it is melted into a wire of diameter 2mm find the length of wire
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Answer:
For cylindrical wire,
d=0.2cm,r
2
0.2
=0.1cm
Let the length of wire be xcm
So, according to problem Volume of cylindrical wire Volume of sphere
=πr
2
h=
3
4
πr
3
=0.1×0.1×x=
3
4
×3×3×3
x=
0.1×0.1×0.1
4×3×3×3
x=3600cm or 36cm
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