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Gratis250 (November 30, 1999 at 12:00 am)
Because the source creating the sound waves is in motion. Essentially, after one sound wave is emitted, the source "makes ground" on that wave so the next emitted wave is closer to it.
awsupernova (November 30, 1999 at 12:00 am)
but why are the sound waves crowded?
awsupernova (November 30, 1999 at 12:00 am)
koool thanks :)
coolperson19 (November 30, 1999 at 12:00 am)
thanks for this.. it helped with my science hw
TokaioKun (November 30, 1999 at 12:00 am)
yaaaawnnnnnn!
satanroxanne (November 30, 1999 at 12:00 am)
this is good... i'll use it in our presentation...
ShellyD999 (November 30, 1999 at 12:00 am)
Ohhhh. I get it now. |
