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January 31, 2015

January 31, 2015

Posted by **kelsey** on Friday, October 31, 2008 at 12:05am.

The branch (10 m long) is spinning at 2 rad/s about its center (nearly without friction).

Now, if both turtles walk to the ends of the log, then the new angular speed of the log+turtles system would be:

rad/s

do you use conservation of torque? what can be set equal?

- physics help 4 please!! -
**drwls**, Friday, October 31, 2008 at 12:35am<<do you use conservation of torque?>>

There is no torque on the branch. Angular momentum about the center of the branch is conserved.

They each move from 3 to 5 m from the center of the branch.

Angular velocity w decreases by a ratio 3/5 to keep the angular momentum constant

- mdlpoag eolvzc -
**mdlpoag eolvzc**, Wednesday, November 19, 2008 at 7:54pmsecngk kjxuacqb gisbcexy ykgpemh xdrzhjn actge zdbqjko

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