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July 24, 2014

Homework Help: Physics

Posted by Rick on Tuesday, November 27, 2012 at 4:55pm.

A man lies on a plank of negligible mass supported by two scales 2.50 m apart. His head rests on the left scale which is also the axis of rotation. If the left scale reads 290 N and the right scale reads 122 N calculate his mass.

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