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1. ### let T1 be the linear transformation corresponding to a rotation by an angle fo theta(1) about the x-axis in?

The standard rotation in xy plane is given by the matrix { {cosθ,−sinθ}, {sinθ,cosθ...from the +z side of the origin. The same convention is applied to rotations about OX & OY. The 3D matrix for this rotation about ...

2 Answers · Science & Mathematics · 30/05/2012

2. ### 270 rotation ????????????????????????????????

A rotation by 270° about the origin can be seen in the picture below in which A is rotated to its image A'. The general rule for a rotation by 270° about the origin is (A,B) (B, -A) http...

1 Answers · Science & Mathematics · 28/03/2012

3. ### Optical rotation vs. concentration of samples ?

Optical rotation depends on concentration. You must use the formula for specific rotation in order to get the true rotation of that compound: [a] = a/(c*l) where c = concentration, l = path length, and a = observed rotation

1 Answers · Science & Mathematics · 06/02/2009

4. ### Earth's rotation and tectonic plates?

The speed of this rotation is constantt, thus Earth's rotation doesn't make the tectonic ...

6 Answers · Science & Mathematics · 31/07/2008

5. ### Given a radian value, how can I determine how many rotations the circle will have?

1 rotation in a circle is 2π therefore all u have to do is divide your number by 2π then you get the answer answer would be: 3.91666 roations

1 Answers · Education & Reference · 20/11/2011

6. ### What is the period of an object completing 20 rotations in 31.31 seconds?

Period = Seconds/ 1 Rotation Given: 31.31 Seconds/ 20 Rotations Divide top and bottom by 20: 15.655 Seconds / 1 Rotation

3 Answers · Science & Mathematics · 15/11/2008

7. ### Blender Question, using copy rotation .?

Copying rotation in Blender: http://wiki.blender.org/index.php/Doc:2.6/Manual/Constraints/Transform/Copy_ Rotation

1 Answers · Computers & Internet · 20/01/2013

8. ### Charles (Turnip) Townshend's invention, four field crop rotation ?

Generally crop rotation is three crops and four fields. So, the first...

2 Answers · Education & Reference · 21/05/2009

9. ### Engine turns 1 rotation then stops! need help?

If it only makes half rotation in each direction then not likely caused by something in cylinder. That would...

7 Answers · Cars & Transportation · 23/11/2014

10. ### Calculating frequency of rotation ?

... = 20/15 = 1⅓⅓ seconds The frequency of rotation is the number of times the object rotates in one ...

2 Answers · Science & Mathematics · 04/02/2015