If a rocket that has a mass of 4000 kg expels 50kg of gas
If a rocket that has a mass of 4000 kg expels 50kg of gas with a speed of 1500m/s, what will be the speed of the rocket?
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if a rocket that has a mass of 4000 kg expels 50kg of gas with a speed of 1500ms what will be the speed of the
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1 the magellanic clouds area irregulargalaxiesb spiralgalaxiesc ellipticalgalaxiesd globular clusters2 how does the
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