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A rocket weighing 2 t, flies at a speed of 300 m / s. The first tank is separated, which weighs 5 cnt. The speed of the first tank after the separation is 280 m/s. What is the speed of the second tank
A rocket weighing 2 t, flies at a speed of 300 m / s. The first tank is separated, which weighs 5 cnt. The speed of the first tank after the separation is 280 m/s. What is the speed of the second tank after separation?