The problem in physics (section 1) №032

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Uploaded: 21.09.2011
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Description

From the mine depth h = 600 m lift cage mass m1 = 3,0 m rope on each meter of which has a mass of m = 1,5 kg. What work is done when picked up the cage to the surface of the Earth? What efficiency hoist?

Additional information

Mechanics http://www.zauchka.bizhur.ru/?module=articles&;c=resheniya&b=1&a=2

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