The density of air at NTP is \( 1.29 \mathrm{~kg} \mathrm{~m}^{-3} ...

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The density of air at NTP is \( 1.29 \mathrm{~kg} \mathrm{~m}^{-3} \). Assume air to be diatomic with \( \gamma=1.4 \). What will be the velocity of sound at \( 127^{\circ} \mathrm{C} \) ?
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