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December 20, 2014

Homework Help: physics help 4 please!!

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

Two turtles (each 2 kg) sit on an approximately massless branch in the water. They sit on opposite sides of the branch's center, each 3 m away.

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?

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