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1. ### Math question, angular velocity? radians per minute rotations per second?

angular velocity = theta / t w=18 rotations /1sec * 2π (radians)/ rotation =36π radians/sec notice rotations ...

3 Answers · Science & Mathematics · 29/09/2009

2. ### i Hv To make A maths project on Coordinate geometry (Displacement and rotation of Geometrical figures) help!!?

...graph paper and label the pictures with the translation (displacement) vector and/or rotation matrix cosθ sinθ -sinθ cosθ Some shapes look the same when ...

2 Answers · Science & Mathematics · 17/06/2008

3. ### Math problem- If there are 5 rotations on a truck wheel, and it travels 225 ft. What is the diameter?

Get one rotation (225 divided by 5) to get the wheel circumference. Then divide that by pi (3.14) to get the diameter.

1 Answers · Education & Reference · 06/02/2013

4. ### what are thefour math things... rotation ,transformation,reflection,and?

These are three types of symmetry: rotation (turn), reflection (flip), translation (slide)

1 Answers · Science & Mathematics · 21/04/2008

5. ### Stuck on maths question? Angular rotations around the circumfrence of a circle?! I dont get it, At all?

It seems that you have to find the angular rotation relative to the angular displacement ? So just divide by 2pi examples...

1 Answers · Education & Reference · 27/01/2012

6. ### Math help please!! diameter+ rotations ?

22 inches X 3.14(pi)= then divide inches in a mile by the number of the first calculation. Wikipedia will have the distance of a mile.

2 Answers · Science & Mathematics · 21/11/2011

7. ### ( math ) 180* rotations ?

assuming you're rotating about the origin, if you rotate 180 degrees, you multiply both the x and y coordinates by -1 so the new coordinates would be (-1,2)

3 Answers · Science & Mathematics · 14/02/2007

8. ### MATH : transformations: ROTATIONS .?

well, lets say your rotating a triangle. choose a point on your triangle thats the whole thing is going to rotate around. you can label the poins:t A, B, and C. now the triangle will rotate around B. then if you want, trace...

1 Answers · Science & Mathematics · 05/06/2009

9. ### Math Rotation formulas?

e^it = cost + i sint rotates by angle t counterclockwise e^i(-t) = cost - i sint rotates by angle t clockwise If you want matrices, counterclockwise would be [cost -sint] [ sint cost] and clockwise would be [cost sint] [-sint cost]

1 Answers · Science & Mathematics · 22/09/2014

10. ### math rotation formulas?

R_90° (x,y) → (-y,x) R_180° (x,y) → (-x,-y) R_270° (x,y) → (y,-x) Good luck!

4 Answers · Science & Mathematics · 29/01/2012