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April 20, 2014

Homework Help: Physics(Please respond)

Posted by Hannah on Friday, June 8, 2012 at 1:12pm.

Some bacteria are propelled by motors that spin hair-like flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.9x10-8m, and a tangential speed at the rim of 2.7x10-5 m/s. (a) What is the angular speed (the magnitude of the angular velocity) of this bacterial motor? (b) How long does it take the motor to make one revolution?

I do not know how to start this. Thank you!

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