Question

On the planet arrakis a male ornithoid is flying toward his mate at 25. 0 m/s while singing at a frequency of 1200 hz. If the stationary female hears a tone of 1240 hz, what is the speed of sound in the atmosphere of arrakis?

Answer 1

The speed of sound in the atmosphere of arrakis will be 775 m/s when a male ornithoid is flying toward his mate at 25.0 m/s while singing at a frequency of 1200 hz.

Step-by-step solution:

V = Velocity of sound

F' = Observed Frequency = 1240 Hz

f = Actual Frequency = 1200 Hz

$V_{S}$ = Relative speed of train = 25 m/s

We can derive the relationship from the Doppler effect.

F = f $\frac{V}{V-V_{S} }$

V = $\frac{F v_{S} }{F - f}$

V = $\frac{1240 x 25}{1240-1200}$

V = 775 m/s.

What is Doppler effect?

The Doppler effect is a well-known phenomenon in many scientific fields, including planetary science. The Doppler effect, also known as the Doppler shift, describes the changes in frequency produced by a moving source with respect to an observer.

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