During the inflation and deflation of a safety airbag in an automobile, the gas enters the airbag with a specific volume of 15 ft3/lbm and at a mass flow rate that varies with time as illustrated in Fig. P5-165E. The gas leaves this airbag with a specific volume of 13 ft3/lbm, with a mass flow rate that varies with time, as shown in Fig. P5 - 165E. Plot the volume of this bag (i.e., airbag size) as a function of time, in ft3.

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20 In 16 Cut 10 12 25 30 50 Time, milliscconds FIGURE P5-165E