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One of the most powerful cranes in the world operates in Switzerland. It can slowly raise a load of M = 5230.0 tonnes to a height of h = 12.0 m (1 tonne = 1000 kg).

(a) How much work is done by the crane?

(b) If it takes 1.00 min to lift the load at constant velocity to this height, find the power developed by the crane.

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