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27 December, 01:57

The car below emits sound waves, represented by red circles, that are heard by an observer. based on the pattern of sound waves, what is the direction and speed of the car?

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  1. 27 December, 02:24
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    Answer: Away from the observer, faster than the speed of sound.

    Based on the pattern of sound waves, the direction of the car is away from the observer for the wave fronts have spaced out and the speed of the car is faster than the sound. This happen because a lower frequency of wave peaks is observe as the source of the sound travels away from the observer.
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