The position vector for an electron is \( \vec{r}=(6.0 \mathrm{~m}) \hat{\mathrm{i}}- \) \( (4.0...

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The position vector for an electron is \( \vec{r}=(6.0 \mathrm{~m}) \hat{\mathrm{i}}- \) \( (4.0 \mathrm{~m}) \hat{\mathrm{j}}+(3.0 \mathrm{~m}) \hat{\mathrm{k}} \). Find the magnitude of \( \vec{r} \). Sketch the vector on a right-handed coordinate system.
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