A rope is stretched between two boats located on the surface of a lake, which a person in one of the boats pulls with a horizontal force F = 50N. Determine the speed of the boat with the person relative to the shore and relative to the second boat after time t0 = 5 s. The mass of a boat with a person is M1 = 250 kg, and the weight of a boat without a person is M2 = 200 kg. Both boats move without friction.

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