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? |