Solution of task 17.3.7 from the collection of Kepe OE
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17.3.7
A two-stage rocket develops reactive force R = 90 kN at the moment of launching from the Earth's surface in the vertical direction. The masses of the rocket stages are equal to m1 = 200 kg, m2 = 100 kg. Determine the force of pressure in kN between the rocket stages at the moment of launch. (Answer 30)