The sound source of a ship’s sonar system operates at a frequency of 22.0 kHz ....

The sound source of a ship’s sonar system operates at a frequency of 22.0 kHz . The speed of sound in water (assumed to be at a uniform 20∘C) is 1482 m/s . What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling straight toward the ship at 4.95 m/s ? Assume that the ship is at rest in the water.

Your target variable is Δf, the magnitude of the difference in frequency between the waves emitted from the sonar device and the waves received by the device after reflecting off the whale. Write an expression for Δf in terms of the relevant frequencies using the subscript notation introduced above.

Express your answer in terms of some or all of the variables fLe, fLr, fSe, and fSr.

Δf =

Expert Solution

genius_generous answered 2 years ago

The sound source of a ship's sonar system operates at a frequency of 15.0 kHz ....

The sound source of a ship's sonar system operates at a frequency of 15.0 kHz . The speed of sound in water (assumed to be at a uniform 20∘C) is 1482 m/s. The ship is at rest in the water. A) What is the wavelength of the waves emitted by the source? Express your answer with the appropriate units. B) What is the difference in frequency between the directly radiated waves and the waves reflected from a whale traveling directly...

An airplane traveling at half the speed of sound emits a sound of frequency 5.29 kHz....

An airplane traveling at half the speed of sound emits a sound of frequency 5.29 kHz. (a) At what frequency does a stationary listener hear the sound as the plane approaches? kHz (b) At what frequency does a stationary listener hear the sound after the plane passes? kHz

(1) (A)You approach a stationary sound source with a speed such that the frequency of sound...

(1) (A)You approach a stationary sound source with a speed such that the frequency of sound you hear is 17% greater than the actual frequency. With what speed are you approaching the sound source? Use the speed of sound in air as 343 m/s. (B)Two trains approach each other on separate but adjacent tracks. Train 1 is traveling at a speed of 31.9 m/s and train 2 at a speed of 27.6 m/s. If the engineer of train 1 sounds...

If a sound with frequency fs is produced by a source traveling along a line with...

If a sound with frequency fs is produced by a source traveling along a line with speed vs. If an observer is traveling with speed vo along the same line from the opposite direction toward the source, then the frequency of the sound heard by the observer is fo = c + vo c − vs fs where c is the speed of sound, about 332 m/s. (This is the Doppler effect.) Suppose that, at a particular moment, you are...

The Doppler effect - the shift in frequency/wavelength of a sound source when there is relative...

The Doppler effect - the shift in frequency/wavelength of a sound source when there is relative motion between source & observer - and a Sonic Boom - a conical region of compression that forms around the sound source when its speed exceeds the speed of sound in the medium of the source, and results in an observed "boom" when part of the cone passes the observer's location - are two interesting, common, as well as connected phenomena seen this week....

A signal with a maximum frequency of 3 kHz is sampled at 50 kHz. What would...

A signal with a maximum frequency of 3 kHz is sampled at 50 kHz. What would the required transition width be in Hertz to... (a) decimate the signal by a factor of 8? (b) decimate the signal by a factor of 5? (c) interpolate the signal by a factor of 4?

Two sources emit sound with the same frequency. One source is at rest and the other...

Two sources emit sound with the same frequency. One source is at rest and the other is moving at a rate of 5 m / s toward the stationary observer. Observers hear kites 6 times per second. Determine the frequency of the sound emitted by the source.

Specify the aliasing frequency of a signal that has a maximum frequency of 75 kHz and...

Specify the aliasing frequency of a signal that has a maximum frequency of 75 kHz and a sample frequency of 100 kHz. Use the folding diagram.

A sound wave generated by a source of frequency 440 Hz is moving through 25 oC...

A sound wave generated by a source of frequency 440 Hz is moving through 25 oC air. The sound wave strikes a solid block of steel and propagates into the steel. What is the wavelength of the sound wave inside the steel. The density of steel is 7.85 g/cm3 and the bulk modulus of steel is 1.6 x 1011 N/m2 . Select a choice 1. 0.787 m 2. 4515 m 3. 346 m 4. 10.26 m 5. 1.27 m

1/ a/ How fast should a sound source move away from you if the frequency you...

1/ a/ How fast should a sound source move away from you if the frequency you perceive is equal to half the actual frequency? b/ The speed of sound in the air is 350 m / s. What would you hear if this sound source approached you?

Question