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1. |
A rocket produces a total thrust of 20,000 N. If the mass flow rate of propellants is 16 kg/s, what will be effective exhaust velocity? |
A. | 1250 m/s |
B. | 2500 m/s |
C. | 625 m/s |
D. | 5000 m/s |
Answer» B. 2500 m/s | |