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August 2, 2015

Homework Help: physics

Posted by bryce tanaka on Wednesday, October 5, 2011 at 9:36am.

You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 39 kg. The rope is at an angle of 39 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 47 m.

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