# Yahoo Web Search

1. ### Astronomy Question on Axis of Rotations and Orbits.?

...quot; question doesn't make sense to me. By definition a planet has always an orbit. So maybe the answer...? The Moon's period of rotation on its own axis is the same as the period of...

1 Answers · Science & Mathematics · 31/01/2009

2. ### Gear Ratios- Rotations ?

...) has passed by the meeting point on the small gear (by definition of one rotation ). Since there is no slippage (because these are meshing...

1 Answers · Science & Mathematics · 27/06/2008

3. ### Need help understanding rotation matrices (in 2d)?

...cos(θ) b = -sin(θ) c = sin(θ) d = cos(θ) This is for counterclockwise rotations . This is what rotates a point from one place to another in the...

3 Answers · Science & Mathematics · 24/07/2013

...^2 where R is the distance from the axis of rotation - so the MoI of A and B are easily...the MoI of the cylinder then you can either look up the definition of its MoI ( MR^2/2) or you can...

1 Answers · Science & Mathematics · 29/10/2013

5. ### collisions with rotations ?

... = ΔPE = Mg(L1)/2 In terms of rotation , the KE is (by definition ) ½Iω². So: ½(I_rod)(ω1...

2 Answers · Science & Mathematics · 24/10/2008

6. ### A rotation is an isometry?

True. After a rotation , the distance between two points is unchanged (as both will have rotated the same amount). Not changing distances is the definition of an isometry.

1 Answers · Education & Reference · 06/01/2011

7. ### real vs complex (dot product and rotation )?

... is "a vector in C2." And so forth. The definition of the length of the vector (the dot product of the vector with itself) must be...

2 Answers · Science & Mathematics · 22/04/2012

8. ### Can you help match these math words with their definition ?

a figure whose one-half is the mirror image of the other half the point about which a figure is rotated the imaginary "mirror" in line symmetry a figure resulting from a transformation just use dictionary.com and searh these up they will give u the definitons

2 Answers · Education & Reference · 14/04/2011

9. ### What are the diff types of symmetry? rotation translation....reflection or line and point symmetry?

It depends on your definition of symmetry: One answer is: Rotation Translation Reflection Glide Reflection http...

3 Answers · Science & Mathematics · 30/05/2007

10. ### What are 15 geometric terms that start with the same letter (plus definitions )?

Cartesian Cavalieri’s Principle Center of Rotation Central Angle Centroid Ceva’s Theorem...

2 Answers · Science & Mathematics · 10/04/2009