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April 18, 2014

April 18, 2014

Posted by **Nilan** on Saturday, February 25, 2012 at 10:36am.

The line is reeled in at constant speed.

Determine the angular speed of the reel in rad/s.

Thank you.

- Physics - still confused -Please help -
**drwls**, Saturday, February 25, 2012 at 11:32amThe velocity of pulling in the line is is

V = w * R , which means

Linear speed = (Angular speed)*(Radius)

= 2.1m/9.7s = 0.2165 m/s

Angular speed = 0.2165/0.3

= 0.7216 rad/s

- Physics - still confused -Please help -
**Damon**, Saturday, February 25, 2012 at 11:34amr = .30 meters

2 pi r = 1.88 m

2.1/1.88 = 1.11 revolutions

1.11 * 2 pi = 7 radians

7 radians / 9.7 s = .722 rad/s

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