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1. |
A rocket engine moving at 500 m/s produces a total thrust of 9563 N, consuming propellants at the rate of 4.55 kg/s. The energy content of the propellants is 5.35 MJ/kg. Find the effective exhaust velocity. |
A. | 2100 m/s |
B. | 3936 m/s |
C. | 1555 m/s |
D. | 1400 m/s |
Answer» B. 3936 m/s | |