How fast would a $5\mathrm{.}00$ cm copper bar have to move at right angles to a $0\mathrm{.}680$ T magnetic field to generate $1\mathrm{.}50$ V

$($the same as a AA battery$)$ across its ends?

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v

$=$

nothing

m$/$s

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Part B

Express your answer in part A in mph

$.$

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v

$=$

nothing

mph

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Part C

Does this seem like a practical way to generate electricity?

Yes, it seems like a practical way to generate electricity.No$,$ it's not practical.

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