Vector addition; spherical coordinates

AI Thread Summary
To find the position vector of point 2 from point 1 in spherical coordinates, multiply the unit vector R1,2 by the distance of 5m. This gives the directional components needed to accurately determine the new position. Simply adding 5m to each element of the unit vector is incorrect. The correct approach involves scaling the unit vector and then adding it to the original position vector. This method ensures the new position vector reflects the correct direction and magnitude.
Roodles01
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Should be quite easy, really, given that it's just adding things together, hey ho.

Problem
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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No, multiply your unit vector by 5 and add that.
 
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