If the energy is produced by the mass itself, as in a chemical rocket, the fuel value has to be \ scriptstyle { v _ \ text { e } ^ 2 / 2 }, where for the fuel value also the mass of the oxidizer has to be taken into account.
12.
If the energy is produced by the mass itself, as in a chemical rocket, the fuel value has to be \ scriptstyle { v _ \ text { e } ^ 2 / 2 }, where for the fuel value also the mass of the oxidizer has to be taken into account.
