Heres the problem Im workin on(adsbygoogle = window.adsbygoogle || []).push({});

http://img294.imageshack.us/img294/9166/rotatesm3.jpg [Broken]

Now in order to find the magnitude of accleration Im assuming I would need to find the two components of acceleration first, Centripetal and Tangential......

I found tangetial by the formula

[tex] a_{t} = r\alpha [/tex]

I converted the 2 revolutions to

[tex] 4\pi radians [/tex]

but im not exactly sure how to get tangential...i need angualr velocity......

how to I get angular velocity from revolutions?

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# Homework Help: Rotational Motion

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