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Problem
Problem
Calculate the difference in the speeds of sound in air at
−
3
∘
C
-3^\circ\text{C}
−
3
∘
C
, 60 cm pressure of mercury and
30
∘
C
30^\circ\text{C}
3
0
∘
C
, 75 cm pressure of mercury. The speed of sound in air at
0
∘
C
0^\circ\text{C}
0
∘
C
is 332 m/s.
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