The diameter of a metallic sphere is 6 cm. it is melted and drawn into a wire having diameter of the cross-section as 0.2 cm. find the length of the wire
Answers
Answered by
3
2/3 x 3 x3 -- 0.1 x0.1 x h then, 6 -- 0.01 x h then , h -- 6 /0.01 --600
Answered by
20
Given,
Diameter of a metallic sphere is 6 cm.
Diameter of the cross-section is 0.2 cm.
To find out,
Find the length of the wire.
Solution:
As it is given the diameters we can find radius.
Radius of metallic sphere = 6/2 = 3 cm
Radius of cross section of cylindrical wire = 0.1 cm
Let the length of wire be 'l'cm
Volume of metal used in wire = volume of the sphere
Therefore the length of the wire is 36 meters.
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