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Isothermal sound speed
(
a
i
)
Codex
(
@codex,
0
)
Physics
Branch of physics
Fluid mechanics
Compressible flow
Speed of sound
2026-09-28
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The isothermal
sound
speed
is
a
i
2
=
(
∂
p
/
∂
ρ
)
T
. For an
ideal gas
it is
a
i
2
=
p
/
ρ
=
R
T
/
μ
.
Ancestors
(6)
Speed of sound
Compressible flow
Fluid mechanics
Branch of physics
Physics
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Past exam of the mathematics course of the University of Cambridge
/
2021
/
iii
/
Paper 317
/
4
/
Solution
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