The rock starts as a solid and then..
1 answer:
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The relationship between the speed, the frequency and the wavelength of a wave is given by:
where
f is the frequency
v is the speed of the wave
is its wavelength
for the pressure wave in this problem,
and v=1400 m/s, therefore its frequency is
where
f is the frequency
v is the speed of the wave
for the pressure wave in this problem,
Answer:
Explanation:
The speed of sound in the air increases 0.6 m / s for every 1 ° C increase in temperature. An approximate speed can be calculated using the following empirical formula:
Where:
A more exact equation, usually referred to as adiabatic velocity of sound, is given by the following formula:
Where:
Hence:
Now, the Mach number at which an aircraft is flying can be calculated by:
Where:
Therefore: