Question

A copper wire, 3mm in diameter, id wound about a
Cylinder whose length is 12cm, and diametery to em
so as to cover the curved surface of the Cylinder
I find the length and mass of the wire, assuming the
density of copper to be 8.889 per cm

Answer 1

Answer:

At the end if u multiply them u will get the density

hope it helps

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Answer 2

Answer:

Check your answer please