marialuis9115
12.06.2021 •
Physics
What happens if two sound waves having the same frequency interfere in phase?
A.
The amplitude of the resultant wave is less than the amplitude of the two individual waves.
B.
The amplitude of the resultant wave is greater than the amplitude of either of the two individual waves.
C.
The amplitude of the resultant wave is equal to the mean of the amplitudes of the two individual waves.
D.
The amplitude of the resultant wave is equal to the amplitudes of the two individual waves.
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Ответ:
Ответ:
Then for the second one, subtract 8:30 from 2:00 to get an elapsed time of 6 hours. We check this by adding 6 hours to 2:00, and we see it gets us to 8:30 PM.
:)