Задача id12626

A rope is thrown over a fixed block, the mass of which is negligible. A load with mass M = 25 kg hangs at one end of the rope, and a monkey grabs the other end and climbs up. With what acceleration a does the monkey rise if the load is always at the same height? The mass of the monkey is m = 20 kg. After what time t does the monkey reach the block if initially it was at a distance of l = 20 m from it?

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