6. The magnitude of the x-component of a unit vector at the point (1, 1) that is normal to $(r) = where r = /x² +y², is %3D equi- potential lines of the potential function _(accurate to two decimal places).
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A: D
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A: The correct answer will be A. That is Record the observation each day.
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A:
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A: D
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A:
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A: C
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A: D
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Q: image attached.
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A: C
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A: D
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