dragongacha777
26.06.2019 •
Physics
What are you supposed to do for the second column, with the velocity stuff?
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Ответ:
you have to draw the persons position over there
Ответ:
The product of (wavelength) times (frequency) for a wave
is always the same number ... it's the wave speed.
So if one of them is small, the other one has to be big.