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Janadari Ekanayaka · Answer 1 · 2023-04-17T19:22:00+0000

Answer:

10.58km

Explanations:

The formula needed to calculate the amount of wire used is expressed as:

$\text{length of wire used=}(W)/(w_g)$

W is the weight of wire used to wind a magnet

wg is the weight of wire per km

Given the following parameters:

$\begin{gathered} W=471g \\ w_g=44.5\text{g/km} \end{gathered}$

Substitute the given parameters into the formula to have:

$\begin{gathered} \text{Length of wire used=}\frac{471\cancel{g}}{44.5\cancel{g}km^(-1)} \\ \text{Length of wire used}=(471)/(44.5)km \\ \text{Length of wire used=}10.58\operatorname{km} \end{gathered}$

Hence the length of wire used is 10.58km

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