Question

For a Rocket propulsion velocity of exhaust gases
relative to rocket is 2 km/s. If mass of rocket system is
1000 kg, then the rate of fuel consumption for a rocket
to rise up with an acceleration 4.9 m/s2 will be
1. 12.25 kg/s
2. 17.5 kg/s
3. 7.35 kg/s
4. 5.2 kg/s​

Answer 1

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