You need to produce a set of cylindrical copper wires 2.5 m long that will have a resistance fo `0.125Omega` each. What will be the mass of each of these wires? (Density of copper is `8.9xx10^3 kgm^(-3)` and resistivity of copper is `1.72 xx10^(-8) OmegaM).`

Explanation

To find the mass of each cylindrical copper wire, we will follow these steps:

### Step 1: Identify the given values
- Length of the wire, \( L = 2.5 \, \text{m} \)
- Resistance of the wire, \( R = 0.125 \, \Omega \)
- Density of copper, \( D = 8.9 \times 10^3 \, \text{kg/m}^3 \)
- Resistivity of copper, \( \rho = 1.72 \times 10^{-8} \, \Omega \cdot \text{m} \)

...