Question

Side.
Find the length of 13.2 kg of copper wire of diameter 4mm. If 1 cu.cm of copper wire
weight 8.4g.


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Answer 1

Answer:

Step-by-step explanation:

Given,

Weight of copper wire = 13.2 kg = (13.2×1000) gm

Diameter of wire = 4mm

So, radius of wire =

Weight of 1 cm3 wire = 8.4 gm

Let length of wire = h cm

So, volume ×8.4 = 13.2×1000

= πr2h×8.4 = 13.2×1000

=

= h =

Answer 2

Step-by-step explanation:

hope this will help you