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Posted by on Wednesday, March 21, 2012 at 10:09pm.

A 80- kg child sits in a swing suspended with 2.6- m-long ropes. The swing is held aside so that the ropes make an angle of 46 o with the vertical. Use conservation of energy to determine the speed the child will have at the bottom of the arc when she is let go.

  • Physics PLEASE HELP - , Wednesday, March 21, 2012 at 11:32pm

    Already answered. See below

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