Required information

The converging$-$diverging nozzle$($as shown in the figure given below$)$ expands and accelerates dry air to supersonic

speeds at the exit where $p_2=8$kPa and $T_2=240K.$ At the throat, $p_1=284$kPa,$T_1=665K,$ and $V_1=300\frac{m}{s}.$

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