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December 22, 2014

Homework Help: Physics

Posted by Ron on Thursday, April 8, 2010 at 6:31pm.

Can someone post numerical answers!!

Under less than ideal conditions, a student pushes a 6 kg cart holding 2 boxes of books up a ramp to a platform that is 1.8 m high in 42 sec. Each box contains 12 kg of books. The ramp is inclined at an angle of 15 degrees. He pushes w/ a steady force of 70 N to move it up.

Find: -Work in
-Work out
-IMA
-AMA
-Efficiency
-Power

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