Math, asked by rajmkd2016gmailcom, 1 year ago

1 (cm) of gold is drawn into a wire 0.1 mm in a diameter find the length of the wire

Answers

Answered by rajawaseemkiani

As given
Diameter D=0.1mm
Volume of wire=1cm3=1000mm3
Volume=area.length so length=Volume/area
length=1000.4/pi.D2
length=4000/3.14(0.1)2=4000.100/3.14=1274mm

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