MCQOPTIONS
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| 1. |
Which form of energy is most useful for propulsion? |
| A. | The kinetic energy of ejected matter |
| B. | The chemical energy of combustion of propellants |
| C. | The potential energy of the rocket at some altitude |
| D. | The electrical energy of the rocket control system |
| Answer» B. The chemical energy of combustion of propellants | |