revs to rads

**lemonz** · February 6th 2009, 09:03 AM

Hi:
I am trying to convert revolutions to radians.
90rev/s X 2pie/1rev
so i can cancel the revs leaving 90 X 2pie/s
now, I get 565.4866776rad/s
but apparently I should get 283rad/s. Which is half of what I get.

help!

**Soroban** · February 6th 2009, 09:58 AM

Hello, lemonz!

I am trying to convert revolutions to radians.

. . $\frac{90\text{ rev}}{1\text{sec}} \times \frac{2\pi\text{ radians}}{1\text{ rev}} \:=\:180\pi\text{ rad/sec} \:\approx\:565.5\text{ rad/sec}$

but apparently I should get 283 rad/sec. . They are wrong!

You are right!

**lemonz** · February 6th 2009, 11:27 AM

hmmm!
well that is curious.
Oh well! It's good to be the smart one aeh!
thanks a lot dude.

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