ZuoTi.Pro
Question

An eagle flying at 37 m/s emits a cry whose frequency is 490 Hz. A blackbird...

An eagle flying at 37 m/s emits a cry whose frequency is 490 Hz. A blackbird is moving in the same direction as the eagle at 13 m/s. (Assume the speed of sound is 343 m/s.)

(a)

What frequency does the blackbird hear (in Hz) as the eagle approaches the blackbird?

Hz

(b)

What frequency does the blackbird hear (in Hz) after the eagle passes the blackbird?

Hz

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

0 0
Add a comment
Know the answer?
Add Answer to:
An eagle flying at 37 m/s emits a cry whose frequency is 490 Hz. A blackbird...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • An ambulance moving at 41 m/s sounds its siren whose frequency is 490 Hz. A car...

    An ambulance moving at 41 m/s sounds its siren whose frequency is 490 Hz. A car is moving in the same direction as the ambulance at 24 m/s. (a) What frequency does a person in the car hear as the ambulance approaches the car?   _________Hz (b) What frequency does a person in the car hear after the ambulance passes the car? __________Hz

  • An ambulance moving at 43 m/s sounds its siren whose frequency is 400 Hz. A car...

    An ambulance moving at 43 m/s sounds its siren whose frequency is 400 Hz. A car is moving in the same direction as the ambulance at 19 m/s. (a) What frequency does a person in the car hear as the ambulance approaches the car? Hz (b) What frequency does a person in the car hear after the ambulance passes the car? Hz

  • A bat flying at 17.1 m/s (ground speed) emits a 503 Hz sonar ping. The sound...

    A bat flying at 17.1 m/s (ground speed) emits a 503 Hz sonar ping. The sound returns after 1.302 seconds at frequency 575 Hz. Assume the Speed of Sound in this type of air is 343 m/s. Determine the Velocity of the object, in m/s relative to the ground. Take "moving away" as Positive.

  • 1. A source moving with a speed 37 m/s, emits a sound wave with a frequency...

    1. A source moving with a speed 37 m/s, emits a sound wave with a frequency f = 377 Hz. Determine the frequency detected by a stationary observer if the speed of sound is v = 343 m/s and the source is moving towards the observer. 2.A stationary source, emits a sound wave with a frequency f = 428 Hz. Determine the frequency detected by an observer moving towards the source with a speed v = 43 m/s, if the...

  • 1. A bat emits a sound at a frequency of 12 kHz as it approaches a...

    1. A bat emits a sound at a frequency of 12 kHz as it approaches a wall. The bat detects beats such that the frequency of the echo is 860 Hz higher than the frequency the bat is emitting. The speed of sound in air is 340 m/s. The speed of the bat is closest to 2. A supersonic plane passes overhead at a speed of 823 m/s. If you hear the sonic boom (shock wave) 4 s after the...

  • The siren on an ambulance is emitting a sound whose frequency is 2850 Hz. The speed...

    The siren on an ambulance is emitting a sound whose frequency is 2850 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 frequency of the sound you hear? (b) Suppose that the ambulance is moving toward you at a speed of 26.6 m/s. Determine the wavelength and the frequency of the sound you hear. (c) If the ambulance is...

  • S.a) What is the wavelength of a sound wave general fundamental frequency is 128 Hz and...

    S.a) What is the wavelength of a sound wave general fundamental frequency is 128 Hz and it travels with spo the tube? sound wave generated in a tube with two open ends whose d it travels with speed of sound v = 340 m/s? (b) What is the length of (a) = (b) L= = 340 m/s, 11 o. (a) What length should a tube closed at one end have on a day when the speed of sound its fundamental...

  • A bat flying at 3.00 m/s is chasing an insect flying away from it at a...

    A bat flying at 3.00 m/s is chasing an insect flying away from it at a speed of 5.00 m/s. The bat emits a 40.0 kHz chirp which is detected by the insect. What is the frequency of sound detected by the insect, assuming that the insect can actually “hear” the chirp emitted by the bat? (The speed of sound in air is 343 m/s.)

  • A baseball hits a car, breaking its window and triggering its alarm which sounds at a...

    A baseball hits a car, breaking its window and triggering its alarm which sounds at a frequency of 1230 Hz. What frequency (in Hz) is heard by a boy on a bicycle riding away from the car at 7.65 m/s? Take the speed of sound to be 343 m/s. part 2 An airplane traveling at half the speed of sound emits a sound of frequency 4.23 kHz. (a) At what frequency does a stationary listener hear the sound as the...

  • Solve the following Doppler Shift problems. Show your work. 1. A concert goer hurries down the...

    Solve the following Doppler Shift problems. Show your work. 1. A concert goer hurries down the aisle to her seat at a speed of 3 m/s. What frequency does she hear when the note A (440 Hz) is played by an instrument of stage if the speed of sound in the concert hall is 343 m/s? 2. A fire engine with a 600 Hz siren approaches then passes a stationary observer. If the engine is traveling at 20 m/s on...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT