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[Solved] Finding the length of the wire in metres

 
Polygons
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June 15, 2021 4:15 pm
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Staff 
(@armor)
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66 cubic centimeters of silver is drawn into a wire 1mm in diameter. What will be the length of the wire in meters?

 

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June 15, 2021 4:15 pm
Topic starter
Staff 
(@armor)
Admin
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317 Posts
156 153 0

Let the length of the wire be h.

Radius = \small \frac{1}{2}mm=\frac{1}{20}cm.  Then, 

\small \Rightarrow \frac{22}{7}*\frac{1}{20}*\frac{1}{20}*h=66\Rightarrow h=8400cm=84m.

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