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April 18, 2014

Homework Help: Physics. PLEASE HELP!!

Posted by Ashley on Monday, March 26, 2012 at 1:22pm.

NOTE: 1 MJ = 106J.
One of the most powerful cranes in the
world, operating in Switzerland, can slowly
raise a load of 6000 tonne to a height of 8 m.
(1 tonne = 1000 kg)
The acceleration of gravity is 9.81 m/s2 .
How much work is done by the crane?
Answer in units of MJ

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