The computation of the theoretical speed of the sound wave simply shows that the speed is 345.4m/s.
It should be noted that a sound wave simply consist of compressions and rarefactions that move at certain speed.
From the complete question, the theoretical speed of sound will be:
= 331 + (0.6 × T)
= 331 + (0.6 × 24)
= 331 + 14.4
= 345.4m/s.
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