asked 84.2k views
2 votes
when an ambulance drives by your house with sirens blaring, the sound waves of the sirens are (space) as it approaches and (space) as it sppeds away

1 Answer

5 votes
The sound waves are closer together as the ambulance approaches and farther apart as it speeds away.

This is because of the doplar effect.
answered
User Mahe
by
8.1k points