Q. 4

# 2.2 cubic dm of brass is to be drawn into a cylindrical wire 0.25 cm in diameter. Find the length of the wire.

Given: 2.2 dm3 of brass is to be drawn into a cylindrical wire 0.25 cm in diameter.

Diameter of cylindrical wire = 0.25cm

Let length of wire be h

Volume of the cylinder = πr2h

Volume of brass of 2.2dm3 is equal to volume of cylindrical wire

h = 448m

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