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Posted by on Monday, October 1, 2012 at 5:14pm.

A compact disc spins at 2.7 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 2.8 cm from the CD's center.

  • physics - , Monday, October 1, 2012 at 6:01pm

    and what is the question?

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