Задача 10326.

Boat weight 240 kg moves at a speed of 1 m / s. Towards the boat flies sandbag weighing 10 kg with a horizontal speed of 3 m / s relative to the boat. Neglecting the resistance of the water, find the speed of the boat after falling into her bag.

Detailed solution with a short recording conditions, laws and formulas used in the decision, the withdrawal of the calculation formula and the answer.
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