Ask a New Question

Need help, please.

A copper wire (density = 8.96 g/cm^3) has a diameter of 0.25 mm. If a sample of this copper wire has a mass of 22 g, how long is the wire?

Thank you.

1 answer

diameter = .025 cm

area = pi D^2/4= 4.91 * 10^-4 cm^2
so
4.91*10^-4 * L * 8.96 = 22
L = 5002 cm
or L = 50 meters

Ask a New Question or answer this question.

Similar Questions

If the copper is drawn into wire whose diameter is 9.50 , how many feet of copper can be obtained from the ingot? The density of
1. 1 answer
A copper wire that has a diameter of 2.9 mm carries a current of 39.0 A. Assuming that each copper atom contributes one free
1. 1 answer
A copper wire (density=8.96 g/cm^3) has a diameter of 0.25 mm. If a sample of this copper wire has a mass of 22 g, how long is
1. 1 answer
0.958 ounces of copper is drawn into a wire with a length of 4.0 ft. What is the diameter (in millimeters) of thewire? (The
1. 1 answer

more similar questions