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04-02-2008, 02:56 AM
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| Physics homework Help PLEASE?
In attempting to move a heavy couch (mass 200kg ) acroos a rug-covered floor, a man finds he must exert a horizontal force of 700 N to get the couch to barely move. once the couch starts moving the man continues to push with a700 N and his daughter (a physics major) estimate that it then accelerates at 1.10 m/s^2. Determine a. the coefficient of static friction b. the coefficient of kinetic friction between the couch and the rug      |
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