physical science

posted by .

A train sounding its horn is approaching an observer. The pitch of the horn's sound relative to its normal pitch is???

  • physical science -

    higher (the peaks hit your ear more frequently)

  • physical science -

    What is the frequency, in hertz, of a sound wave (v = 340 m/s) with a wavelength of 10 m?

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. DrBob222

    A car moving at 16.0 m/s, passes an observer while its horn is pressed. Find the difference between the frequencies of sound heard when the car approaches and when it recedes from the stationary observer. The velocity of sound is 343 …
  2. Physics

    A train is sounding a horn of constant frequency shows down as it nears a station. What change in pitch is heard by a commuter standing in the station?
  3. Physics

    A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 42 dB by an observer 10 km away. (a) What is the average power generated by the horn?
  4. Physics

    1. A person driving to the right and honks their horn. An observer standing behind the car, opposite its direction of motion would hear...(choose one) a. Higher Pitch b. Lower Pitch c. Same pitch as the driver please explain how you …
  5. science

    Richard stands on the flatbed car of a moving train playing an a on his horn. the note has a fundamental frequency of 220 Hz. Calculate weather or not the train could move fast enough for a stationary observer on the ground to hear …
  6. physics

    A car sounds its horn (502 Hz) as it approachs a pedestrian by the side of the road. The pedestrian has perfect pitch and determines that the sound from the horn has a frequency of 520 Hz. If the speed of sound that day was 340 m/s …
  7. A train sounds its horn as it approaches an inters

    A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km away. (a) What is the average power generated by the horn?
  8. physics

    A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 53 dB by an observer 11 km away. (a) What is the average power generated by the horn?
  9. Physics URGENT!!!

    A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away. (a) What (b) What intensity level of the horns sound is observed by someone waiting at an intersection …
  10. Physics URGENT!!!

    A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 59 dB by an observer 14 km away. (a) What is the average power generated by the horn?

More Similar Questions