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March 28, 2015

March 28, 2015

Posted by **b** on Thursday, September 1, 2011 at 12:35pm.

- trig -
**Reiny**, Thursday, September 1, 2011 at 4:09pmangular velocity = 300(2π) radians/minute

= 300(2π)/60 radians/sec

= 10π radians/sec

circumference = 2π(30) = 60π cm

so the linear velocity at the tip is 300(60π) cm/min

= 300(60π)/60 cm/se

= 300π cm/sec

or

3π m/sec

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