Some bacteria are propelled by biological motors that spinhair-like flagella. A

Question

Some bacteria are propelled by biological motors that spinhair-like flagella. A typical bacterial motor turning at a constantangular velocity has a radius of 1.59 x10-8 m, and a tangential speed at the rimof 2.50 x 10-5m/s. I know the angular speed (the magnitude of the angularvelocity) of this bacterial motor is 1.6e3 rad/s but Can't figure out How long does it take the motor to makeone revolution?
___________s please explain. Some bacteria are propelled by biological motors that spinhair-like flagella. A typical bacterial motor turning at a constantangular velocity has a radius of 1.59 x10-8 m, and a tangential speed at the rimof 2.50 x 10-5m/s. I know the angular speed (the magnitude of the angularvelocity) of this bacterial motor is 1.6e3 rad/s but Can't figure out How long does it take the motor to makeone revolution?
___________s please explain.

Explanation / Answer

to complete one revolution it should cover 2 rad so thte time taken is t = ( angular distance ) /velocity                                  = ( 2 ) / ( 1.6*103 rad /s )                                  = ---------------- s

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