Speakers in stereo systems have two color-coded terminals to indicate how to hook up the wires. If the wires are reversed, the speaker moves in a direction opposite that of a properly connected speaker. Explain why it is important to have both speakers connected the same way.

Q: Radio waves transmitted through space at 3.00 X 108 m/s by the Voyager spacecraft have a wavelength…

A:

Q: . Human hearing depends on both the _________ and the intensity of sound waves. 3. The intensity of…

A: 2. Human hearing depends on both the Frequency and the intensity of sound wave Human ears can only…

Q: A mosquito flaps its wings 600 vibrations per second, which produces the annoying 600 Hz buzz. How…

A: Frequency (f) = 600 Hz Speed (s) = 340 m/s

Q: The probe used in a medical ultrasound examination emits sound waves in air that have a wavelength…

A:

Q: 7. Which of the following would be most likely to transmit sound the best? A. steel in cabinet B.…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: The faintest sounds the human ear can detect at a frequency of 1 000 Hz correspond to an intensity…

A: Given: Frequency of sound = 1000 Hz Intensity of sound = 1.00 x 10-12W/m2 Loudest sound intensity =…

Q: In the figure below, what is the frequency of the ambulance siren as observed by the driver of the…

A:

Q: A tuning fork vibrates  512 times in 2 seconds?   a. 200 Hz   b. 256 Hz   c. 113.6 Hz   d.…

A:

Q: The higher acoustic impedance is between two media, the .................. the echo amplitude is a.…

A: The acoustic impedance is the related concept of the reflection of ultrasound energy. If the…

Q: Fishermen can use echo sounders to locate schools of fish and to determine the depth of water…

A:

Q: A submarine (sub A) travels through water at a speed of 8.00 m/s, emitting a sonar wave at a…

A:

Q: A student is listening to a band play a song. The student is sitting 25 m away from the band. They…

A:

Q: A submarine (sub A) travels through water at a speed of 8.00 m/s, emitting a sonar wave at a…

A: Given: Speed of the submarine = Va= 8 m/s Speed of the second submarine = Vb=9 m/s Frequency of…

Q: Determine how much the average force acting on the eardrum of the human ear (area S = 66 mm2) is…

A: Given data: The area of drum is S=66 mm2. The sound pressure is P1=1123 Pa. The sound pressure…

Q: sound of intensity I = 10-6 W/m2 falls on a detector of area A = 7 x 10-5 m2. (This is about the…

A:

Q: FM broadcast station is allowed to have a frequency deviation of 75 kHz. If a 4 kHz (highest voice…

A: Modulation index is ratio of frequency deviation to modulation frequency or maximum frequency.…

Q: The eardrum, which transmits vibrations to the sensory organs of your ear, lies at the end of the…

A:

Q: An eardrum has a diameter of 1.2 cm. Suppose the minimum force the eardrum can recognize is 6 nN.…

A: Given, an eardrum has a diameter of 1.2 cm (radius r=0.6 cm = 0.006 m). Suppose the minimum force F…

Q: In noisy factory environments, it s possible to use a loudspeaker to cancel persistent low-frequency…

A: Given:Frequency of the sound waves, f = 85 Hzdistance between worker and machine, x1 = 5.0 mvelocity…

Q: 83. •An organ pipe sounds two successive tones at 228.6 Hz and 274.3 Hz. Determine whether the pipe…

A:

Q: 2- Ultrasound waves are harmful for humans. A. True B. False 3- If the frequency of an US wave is…

A: Ultrasound  Rays  Transducers, or ultrasound probes, generate sound waves at frequencies beyond the…

Q: A device receives information from microwaves, which is transformed into information that can be…

A: Transformed data has only two values or states. And binary data is data which took only two possible…

Q: The wavelength of some green light is 530.0 nm. What is the frequency of this green light

A:

Q: 17 A tennis player hits a ball hard and 0.40 s later hears the echo from a wall. The speed of sound…

A: Given The time by which echo reaches the player is t=0.40 s. The speed of sound in the air is v=330…

Q: Two ships are moving along a line due east (Fig. P14.76). The trailing vessel has a speed relative…

A: In this case, the trailing ship is the source of sound and the leading ship is the observer of the…

Q: A truck travels southbound on a highway at a speed of 14 m/s. A police car, traveling northbound at…

A:

Q: Two ships are moving along a line due east (Fig. P14.68). The trailing vessel has a speed relative…

A:

Q: Two submarines travel horizontally and in the same direction through ocean water. Submarine A…

A:

Q: Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low…

A:

Q: Find the expression for the sinusoid shown in  Figure 6.   Choices:  A. i= 10 sin(377t + 144°)…

A:

Q: A physics teacher is giving a demonstration with two tuning forks that have similar frequencies. The…

A: A. beats

Q: If a stationary dolphin emits a call at a sound frequency of 53 kHz. The sound wave reflects off a…

A: Original frequency of sound produced by stationary dolphin (f) = 53 kHz speed of sound (v) = 343 m/s…

Q: Shown below is a stationary source and moving observers. Describe the frequencies observed by the…

A: Given data The velocity of the source is vs=0 The velocity of the first observer is v1 The velocity…

Q: The tube has one end closed and is filled with water so that the air column inside has a length of…

A:

Q: The Doppler effect is A   heard when a siren approaches, passes, and recedes from a listener. B…

A: option(A) :CORRECT: Doppler effect is defined as change in frequency of sound when there is relative…

Q: olphin is swimming at 10 metres per second towards a scuba diver. The dolphin is emitting a…

A: doppler effect will be used here

Q: An organ pipe that is 1.75 m long and open at both ends produces the sound of frequency 303 Hz when…

A: Given data: Length of the pipe (L) = 1.75 m Pipe open at both ends and resonating at second overtone…

Q: A celebrity holds a press conference, which is televised live. A television viewer hears the sound…

A:

Q: A 45 vibration per second wave travels 30 m in 1 s. The wavelength is _____ m

A: Given data The frequency of the wave is f=45 vibration per second=45 Hz The distance travelled by…

Q: What will most likely happen to a ringing bell if placed inside a bell jar connected to a vacuum…

A: B. Intensity of sound wave will decrease reason--> number of particles decreases as pump sucks…

Q: Farmer Fred is outside watching an approaching thunderstorm. He sees a bolt of lightning strike due…

A:

Q: The echo of a sound wave is due to of the sound wave. A reflection O B absorption C transmission…

A: The echo of sound  happens when the sound waves are obstructed by an object and is reflected back.…

Q: Sound is detected when a sound wave causes the eardrum to vibrate. Typically, the diameter of a…

A: Given: Diameter of human eardrum: 8.4 mm The intensity level of given sound wave : P = 20 dB Time…

Q: A 2.00 MHz sound wave travels through a pregnant woman’s abdomen and is reflected from the fetal…

A:

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 17 times the…

A:

Electromagnetic Waves

Electromagnetic waves are waves that consist of magnetic field and electric field components perpendicular to each other. These field components are also perpendicular to the direction of propagation of the wave.