Posted by **Kate** on Sunday, October 17, 2010 at 11:00pm.

If a point on the surface of a sphere with its center at the origin has coordinates (9,4,6) how do you show the radius connecting the origin to this point as a position vector. Is it simply [9,4,6] or is it more complicated than that. Thanks.

- Math/Vectors -
**MathMate**, Monday, October 18, 2010 at 11:05am
If the sphere's centre is at the origin, then the vector from the origin to the point is simply (9,4,6) as you stated.

- Math/Vectors -
**MathMate**, Monday, October 18, 2010 at 11:07am
If the vector is from a point (x0,y0,z0) to the given point, then it is

(9-x0, 4-y0, 6-z0).

So when (x0,y0,z0)=(0,0,0), it reduces to simply (9,4,6).

- Math/Vectors -
**Kate**, Monday, October 18, 2010 at 12:31pm
Thanks!

## Answer this Question

## Related Questions

- Calculus - Sketch the vector field F⃗ (r⃗ )=2r⃗ in the plane, ...
- Math - The position vectors A and B with respect to the origin O,(-8,5) are (12...
- math - The position vectors of points A and B with respect to the origin 0, are...
- math - The position vectors of points A and B with respect to the origin 0, are...
- AP Physics - At time t=0, a 2kg particle has position vector r=(5.0m)i+(-8.0m)j ...
- Geometry Math - If point M is the center of a sphere with the coordinates (-1,3,...
- Physics or Math - A force F = 0.8 i + 2.5 j N is applied at the point x = 3.0 m...
- physics - A wire of radius one meter is centered on the origin in the xy plane. ...
- physics - A small sphere with a charge of 2.40 is attached to a relaxed ...
- Maths Vector Helpppp - The points A and B have position vectors, relative to the...

More Related Questions