Question

Rockets! Find the minimun fuel exhaust rate of the launch escape system, a secondary small rocket used to save crews in case of rocket failure, if the main rocket's exhaust velocity is 10m/s and fuel exhaust rate is 3000kg/s. The mass of the escape system is 3 tons , and the its exhaust velocity is 5 km/s.The mass of the entire system is 500 tons.

Answer 1

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