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A copper wire , 3 mm in diameter, is wou...

A copper wire , 3 mm in diameter, is wound about a cylinde whose length is 12 cm, and diameter 10 cm. so as to cover the curved surface of the cylinder find the length and mass of the wire, assuming the density of copper to be 8.88g per `cm^(3)` (Use `pi=3.14)`

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The correct Answer is:
788g (approx)
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