Biology Forums - Study Force

Science-Related Homework Help Physics Topic started by: Northa on Feb 24, 2017



Title: A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes away ...
Post by: Northa on Feb 24, 2017
A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes away from a stationary pedestrian. What frequency does the pedestrian hear? The speed of sound in air is 343 m/s.
A) 378 Hz
B) 389 Hz
C) 411 Hz
D) 422 Hz
E) 450 Hz


Title: Re: A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes ...
Post by: longhair on Feb 24, 2017
Content hidden


Title: Re: A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes away ...
Post by: Northa on Jul 12, 2017
I know this probably seemed easy to you, but trust me I struggled


Title: Re: A car horn emits a frequency of 400 Hz. A car traveling at 20.0 m/s sounds the horn as it goes a
Post by: ped on May 4, 2022
Wait, I'm getting:

Why is yours different?