Calculating Vector \overline{G} in Spherical Coordinates at Point (3,2,6)

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SUMMARY

The discussion focuses on calculating the vector \overline{G} in spherical coordinates, specifically at the point (3,2,6), where \overline{G} is defined as \overline{G}=\frac{4}{R}\hat{R}. The participants clarify that while the vector specifies a length, it also has a direction determined by the point's coordinates. The vector can indeed be plotted from the origin to the specified point, providing both magnitude and direction.

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iflabs
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I can't muster my mind around this.

A vector is given in spherical coordinate system: [tex]\overline{G}[/tex]=[tex]\frac{4}{R}[/tex][tex]\hat{R}[/tex]

Find [tex]\overline{G}[/tex] at point (3,2,6) and the magnitude of the y component at the point.

Can you actually plot this vector on a graph at the point? The vector only specifies a length with no direction.
 
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iflabs said:
I can't muster my mind around this.



Can you actually plot this vector on a graph at the point? The vector only specifies a length with no direction.

But you do have a direction. From the origin to the point given...
 
In any coordinate system, the vector corresponding to a single point is the vector from the origin to the point, as berkeman said.
 

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