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1. |
If a chemical rocket has a jet power of 18 MW, inert mass of 50 kg, a propellant mass of 1000 kg, then what is its specific power? |
A. | 34.28 kW/kg |
B. | 17.14 kW/kg |
C. | 8.91 kW/kg |
D. | 25.43 kW/kg |
Answer» C. 8.91 kW/kg | |