The same procedure is followed for the other values shown in Table 2-1, in each case using the correct velocity ratio, energy from spring, and losses. The resulting values of barrel velocity and bolt velocity are then plotted against the corresponding values of displacement to give the velocity curves shown in figs. 2-34 and 2-35. Since die independent variable in these graphs is travel instead of time, the curves can not be used directly to extend the time-travel and time-velocity curves in fig. 2-30. However sincc:

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