Physics

Initially, you hear the siren at 90 dB. When the distance between you and the ambulance is a quarter of what it was initially, at what intensity level do you hear the siren? Assume that the siren is emitting sound equally in all directions.

  1. 👍 0
  2. 👎 0
  3. 👁 266
asked by Nadya
  1. 82

    1. 👍 0
    2. 👎 0
    posted by asdasd

Respond to this Question

First Name

Your Response

Similar Questions

  1. physical

    You are driving along a highway at 27.7 m/s when you hear a siren. You look in the rear-view mirror and see a police car approaching you from behind with a constant speed. The frequency of the siren that you hear is 1830. Hz.

    asked by itufizik on July 16, 2012
  2. science

    An ambulance is going down the street with its lights and siren on. the hospital is five blocks away. select all the statements that are observations. a) the ambulance is moving b) the ambulance is going to the hospital c) the

    asked by pam on September 5, 2010
  3. physics

    While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750 Hz. Later on as you near your destination, you come upon the scene of the accident. The now-stationary

    asked by Anonymous on October 6, 2012
  4. physics

    While standing on 3rd street you hear an approaching ambulance. Its siren oscillates in frequency between about 650 Hz and 750 Hz. Later on as you near your destination, you come upon the scene of the accident. The now-stationary

    asked by Anonymous on October 6, 2012
  5. physics

    An ambulance is traveling east at 60.7 m/s. Behind it there is a car traveling along the same direction at 32.3 m/s. The ambulance driver hears his siren at a frequency of 521 Hz. At what frequency does the driver of the car hear

    asked by Need answer by 10pm on January 26, 2014
  6. physics

    The siren on an ambulance is emitting a sound whose frequency is 2421 Hz. The speed of sound is 343 m/s. (a) If the ambulance is stationary and you (the "observer") are sitting in a parked car, what are the wavelength and the

    asked by carter montgomery on January 29, 2013
  7. PHYSICS

    The frequency of an ambulance siren is 700 Hz. If a pedestrian on the side of the road hears the siren at 756 Hz approximately how fast and in what direction is the ambulance moving? The answer is 90 km/h and towards the

    asked by Jane on February 22, 2010
  8. Physics

    Not at all sure where to start with this problem. Any help would be appreciated! The siren of an ambulance has a frequency f=500 Hz. A pedestrian standing on a sidewalk listens to this siren as the ambulance passes by at a speed

    asked by Jamie on December 3, 2016
  9. Physics

    The siren of an ambulance has a frequency f=500 Hz. A pedestrian standing on a sidewalk listens to this siren as the ambulance passes by at a speed of 65 mph. The speed of sound in air is 330 m/s. a) Calculate the total shift in

    asked by Jamie on December 3, 2016
  10. Physics - Doppler Effect

    The siren in an ambulance has a frequency (according to you) of 1100 hz as it moves towards you at a speed v. It then makes a u-turn and travels away from you with a speed v, and you hear a frequency of 950 hz. What is the final

    asked by J Velji on March 28, 2011

More Similar Questions