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April 21, 2014

Homework Help: physics

Posted by DJ on Tuesday, October 13, 2009 at 10:38pm.

A window washer pulls herself upward using the bucket-pulley apparatus. The mass of the person plus the bucket is 69 kg.How hard must she pull downward to raise herself slowly at constant speed?If she increases this force by 11 percent, what will her acceleration be? There is only one pulley.

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