A rope is thrown over a fixed block, to one of the ends of which a weight of 64 kg is tied. At the other end, a man weighing 65 kg hangs, who, choosing a rope, lifts the load, while remaining at the same level from the floor. How long will it take for the load to be lifted to a height of 3 m? Ignore the mass of the rope and block.
A detailed solution with a brief note of the conditions, formulas and laws used in the solution, the derivation of the calculation formula and the answer.
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