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Vector addition; spherical coordinates

by Roodles01
Tags: spherical, vector
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Jan27-12, 06:34 AM
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P: 115
Should be quite easy, really, given that it's just adding things together, hey ho.

a position vector of point (1), identified by sherical coordinates, is 5m away from point (2).
I have a unit vector R1,2 identified by spherical coordinates [Aex - Bey +Cez], giving the direction to point 2.
How do I find the position vector of point 2

Do I just add 5.0m to each element? Of course not, but how do I do it, please?
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Jan27-12, 08:53 AM
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No, multiply your unit vector by 5 and add that.

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