Question

2cm3 of gold is drawn into a wire 0.1 mm in diameter.Find the length of the wire.​

Answer 1

Answer:

here

volume = 2cm³

diameter= 0.1mm

radius= 1/200

height =?

so,

volume of cylindrical wire = πr²h

2cm³. = 22/7 .(1/200)².h

2cm³= 22/7.1/40000.h

2.7.40000/22= h

280000/11= h

h

= 25454.54 cm

h=254.5454m

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