# Yahoo Web Search

1. ### Help with Geometry question?

2π radians = 1 revolution  C = circumference = 2π • R         θ = S ⁄ R...

1 Answers · Science & Mathematics · 27/11/2009

2. ### Why is 2π radians = 360 degrees?

.... Therefore, 2 Pi = 2 x 180 = 360 Degrees A revolution , by definition , is a complete turn. So, for a circle, a revolution would be its circumference...

5 Answers · Science & Mathematics · 09/12/2012

3. ### 1/360 of a complete revolution is one __________?

The word you're looking for is "degree," and this comes from the definition of "degree." A degree is defined as 1/360 of a complete revolution .

4 Answers · Science & Mathematics · 27/09/2009

4. ### Work done per revolution of an engine is 2*pi*r*f . How is that?

... a force does work when it results in movement. By definition : Work done = force*distance The distance per revolution = circumference of circle = 2pir Therefor work done = 2pirf per revolution

1 Answers · Science & Mathematics · 07/04/2013

5. ### How do I find the velocity of an object in circular motion when given the mass and time for 25, 1 revolution ?

...πR Velocity has more than one definition . In this case I will assume that what ... is the average speed during one complete revolution of the object along the circular path. Speed ...

1 Answers · Science & Mathematics · 01/11/2011

6. ### PLs HELP ON MY MATHS PI PROJECT?

...start with saying that the definition of degrees is that 1 complete revolution is 360° . The definition of π is that it is the ratio of the circumference (1 revolution ) to the...

1 Answers · Science & Mathematics · 29/10/2008

7. ### Science definitions plzz help?

...renewable resources 44)AB) non renewable resource 45)BC) agricultural revolution 46)BD)Tragedy of the Commons 47)AC) biodiversity 48...

1 Answers · Science & Mathematics · 15/09/2010

i think that you're just being lazy... you should look it up! and some are pretty self explanatory

1 Answers · Science & Mathematics · 15/09/2010

9. ### trig help?

There are 2 pi radians in a revolution . Therefore, 30 2/3 rpm = 30 2/3 * 2 pi radians per minute. 500 rpm = 1000 pi radians per minute, in which case by the definition of a radian, the linear velocity in feet per minute is 1000 pi * 1/6 ft...

1 Answers · Science & Mathematics · 25/10/2014

10. ### Calculus problem help needed please?

By definition 360° (or one complete revolution ) = 2π radians. If you work it out this means that 1 radian...

1 Answers · Science & Mathematics · 08/05/2012