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143.4 cubic centimeters of silver is drawn into a wire 2 mm in diameter. What will be the length of the wire in meters?

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143.4 cubic centimeters of silver is drawn into a wire 2 mm in diameter. What will be the length of the wire in meters?
posted Jan 22, 2020 by Mishthy Mukherjee

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1 Answer

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46 meters


V = 143.4 cm^3 = 143.4 * 10^3 mm^3 = 143400 mm^3
r = d/2=1 mm
L = V/(pi*r^2) = 143400 / (3.14*1^2) = 45645.64 mm ≈ 46 meters

answer Jan 22, 2020 by Hanifa Mammadov
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