Task id16723
Launch mass of the rocket M0=160 t, gas exhaust speed 4 km/s. After 90 tons of fuel have burned out, the first stage weighing 30 tons is discarded. Then another 28 tons of fuel is burned out. What is the final speed of the second stage? What speed would a single-stage rocket achieve with the same mass of fuel?
Detailed solution. Format gif
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