Math, asked by valqjmaianjalpixy, 1 year ago

a cubic cm of gold is drawn into a wire 0.1mm in diameter , find the length of wire.n

Answers

Answered by Anonymous

15

Volume = 1 cm3 = (1 cm)3 = (10 mm)3 = 1000 mm3

The volume of the drawn wire will be the same.

Volume of wire = cross sectional area x length

=πD2L/4 = 1000 mm3

L = 1000x4/(100x3.14) = 12.74 mm.

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