Recent content by tompalatine

Can someone explain why there is an asymmetry in a little bit more detail?

So when I assumed that a siren moving at 30 m/s towards a stationary listener would create the same observed frequency as the listener moving at 30 m/s moving towards a stationary siren...I was wrong?

I am a high school teacher and I just came across this issue when I began teaching at a new school. I am positive that if I am stationary and a 500 Hz siren comes towards me at 30 m/s, then the observed frequency will increase. I am 99% positive that if the 500 Hz siren is stationary and I move...