Homework Help: physics

Posted by Anonymous on Thursday, October 27, 2011 at 11:02pm.

A window washer uses the chair and pulley arrangement shonw in the figure to lift himself up the side of a building. The window washer's mass is 70 kg and the chair's mass is 10 kg. With what force must he pull down on the rope in order to accelerate upward at

physics - drwls, Thursday, October 27, 2011 at 11:41pm
incomplete question.
physics - mel, Tuesday, September 25, 2012 at 10:58pm
.6

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