A transverse periodic wave is represented by the equation y(x, t) = 2.50 cm cos(2,500 rad/s t − 15.0 m−1 x). What are the wavenumber k and direction of propagation of the wave?

A) 15.0 m−1; traveling in the − x direction B) 15.0 m−1; traveling in the + x direction C) 30.0 m−1; traveling in the + y direction D) 30.0 m−1; traveling in the − y direction E) 45.0 m−1; traveling in the + x direction A) 15.0 m−1; traveling in the − x direction B) 15.0 m−1; traveling in the + x direction C) 30.0 m−1; traveling in the + y direction D) 30.0 m−1; traveling in the − y direction E) 45.0 m−1; traveling in the + x direction B

Exam 11: Waves | Examlex

A string on a guitar is stretched between two points 35.0 cm apart with a tension of 65.0 N. The mass/length of the string is 0.00400 kg/m. The wavelength of the mode of vibration with the lowest frequency is

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Question 1

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Two strings on a violin are stretched between two points 20.0 cm apart. The mass per length of the strings are the same. If the ratio of the frequencies of the fundamental modes is 1.5 to 1.0, then what is the ratio of the tensions in the strings?

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Question 2

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A transverse periodic wave is represented by the equation y(x, t) = 2.50 cm cos(2,500 rad/s t − 15.0 m⁻¹ x). What are the wavenumber k and direction of propagation of the wave?

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Question 3

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A transverse wave travels at 190 m/s along the x-axis. If the period of the periodic vibrations of the wave is 2.6 milliseconds, then what is the wavelength of the wave?

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Question 4

A string is stretched with a tension of 120 N. The string has a mass of 10.0 grams and has a length of 2.50 meters. The velocity of wave propagation along the string is

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Question 5

A wave travels at 175 m/s along the x-axis. If the period of the periodic vibrations of the wave is 3.00 milliseconds, then what is the wavelength of the wave?

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Question 6

A transverse periodic wave is represented by the equation y(x, t) = A1 sin(ωt − kx). Another transverse wave is represented by the equation y(x, t) = A2 sin(ωt + kx). What is the equation that represents the superposition of the two waves?

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Question 7

A string with a mass/length of 0.00200 kg/m is stretched between two points with a tension of 120 N. If the fundamental frequency is 660 Hz, then what is the distance between the two points?

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Question 8

A string with a mass per length of 2.00 g/m is stretched between two points that are 0.400 m apart. The frequency of the second mode of the stretched string is 50.0 Hz lower than the frequency of the third mode. What is the tension in the string?

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Question 9

A string on a guitar is stretched between two points 30.0 cm apart with a tension of 100 N. The mass/length of the string is 0.003 kg/m. The wavelength of the mode of vibration with the lowest frequency is

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Question 10

A transverse periodic wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t − 20.0 m⁻¹ z). Another transverse wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t + 20.0 m⁻¹ z). What is the equation that represents the superposition of the two waves?

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Question 11

The speed of waves in stretched string depends on which of the following?

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Question 12

A string on a violin is stretched between two points 20.00 cm apart with a tension of 120.0 N. The mass/length of the string is 0.002000 kg/m. The frequency of the 2^nd overtone is

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Question 13

A string with a length of 1.20 m has a mass of 4.00 g. The velocity of wave propagation along the string is 185 m/s. The tension of the stretched string is

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Question 14

Two guitar strings are under the same tension and have the same length. If their fundamental frequencies are in a ratio of 3:2, what is the ratio of their masses?

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Question 15

Two speakers emit incoherent sound waves into the open air. One of them produces 75W of power. A microphone is placed at a position that is 12m from each speakers, and it receives a total intensity of 0.25W/m². What is the power output of the second speaker?

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Question 16

Two speakers are driven exactly out of phase with each other at 256 Hz. If a microphone placed on the line between the two speakers, exactly in the middle, detects no sound at all, then what is possibly the distance between the microphone and each speaker? The speed of sound is 340 m/s.

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Question 17

A string with a mass per length of 2.00 g/m is stretched between two points that are 0.400 m apart. The frequency of the third mode of the stretched string is 20.0 Hz lower than the frequency of the fourth mode. What is the tension in the string?

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Question 18

A sound source of power 150 watts radiates sound uniformly in all directions. The intensity of the sound at a distance of 4.00 m is

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Question 19

A longitudinal wave is represented by the equation z(z, t) = −2.0 cm sin(1,200 rad/s t − 20 m⁻¹ z). Another longitudinal wave is represented by the equation z(z, t) = +2.0 cm sin(1,200 rad/s t + 20 m⁻¹ z). What is the equation that represents the superposition of the two waves?

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Question 20

Showing 1 - 20 of 86

Exam 11: Waves

A string on a guitar is stretched between two points 35.0 cm apart with a tension of 65.0 N. The mass/length of the string is 0.00400 kg/m. The wavelength of the mode of vibration with the lowest frequency is

Two strings on a violin are stretched between two points 20.0 cm apart. The mass per length of the strings are the same. If the ratio of the frequencies of the fundamental modes is 1.5 to 1.0, then what is the ratio of the tensions in the strings?

A transverse periodic wave is represented by the equation y(x, t) = 2.50 cm cos(2,500 rad/s t − 15.0 m−1 x). What are the wavenumber k and direction of propagation of the wave?

A transverse wave travels at 190 m/s along the x-axis. If the period of the periodic vibrations of the wave is 2.6 milliseconds, then what is the wavelength of the wave?

A string is stretched with a tension of 120 N. The string has a mass of 10.0 grams and has a length of 2.50 meters. The velocity of wave propagation along the string is

A wave travels at 175 m/s along the x-axis. If the period of the periodic vibrations of the wave is 3.00 milliseconds, then what is the wavelength of the wave?

A transverse periodic wave is represented by the equation y(x, t) = A1 sin(ωt − kx). Another transverse wave is represented by the equation y(x, t) = A2 sin(ωt + kx). What is the equation that represents the superposition of the two waves?

A string with a mass/length of 0.00200 kg/m is stretched between two points with a tension of 120 N. If the fundamental frequency is 660 Hz, then what is the distance between the two points?

A string with a mass per length of 2.00 g/m is stretched between two points that are 0.400 m apart. The frequency of the second mode of the stretched string is 50.0 Hz lower than the frequency of the third mode. What is the tension in the string?

A string on a guitar is stretched between two points 30.0 cm apart with a tension of 100 N. The mass/length of the string is 0.003 kg/m. The wavelength of the mode of vibration with the lowest frequency is

A transverse periodic wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t − 20.0 m−1 z). Another transverse wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t + 20.0 m−1 z). What is the equation that represents the superposition of the two waves?

The speed of waves in stretched string depends on which of the following?

A string on a violin is stretched between two points 20.00 cm apart with a tension of 120.0 N. The mass/length of the string is 0.002000 kg/m. The frequency of the 2nd overtone is

A string with a length of 1.20 m has a mass of 4.00 g. The velocity of wave propagation along the string is 185 m/s. The tension of the stretched string is

Two guitar strings are under the same tension and have the same length. If their fundamental frequencies are in a ratio of 3:2, what is the ratio of their masses?

Two speakers emit incoherent sound waves into the open air. One of them produces 75W of power. A microphone is placed at a position that is 12m from each speakers, and it receives a total intensity of 0.25W/m2. What is the power output of the second speaker?

Two speakers are driven exactly out of phase with each other at 256 Hz. If a microphone placed on the line between the two speakers, exactly in the middle, detects no sound at all, then what is possibly the distance between the microphone and each speaker? The speed of sound is 340 m/s.

A string with a mass per length of 2.00 g/m is stretched between two points that are 0.400 m apart. The frequency of the third mode of the stretched string is 20.0 Hz lower than the frequency of the fourth mode. What is the tension in the string?

A sound source of power 150 watts radiates sound uniformly in all directions. The intensity of the sound at a distance of 4.00 m is

A longitudinal wave is represented by the equation z(z, t) = −2.0 cm sin(1,200 rad/s t − 20 m−1 z). Another longitudinal wave is represented by the equation z(z, t) = +2.0 cm sin(1,200 rad/s t + 20 m−1 z). What is the equation that represents the superposition of the two waves?

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A transverse periodic wave is represented by the equation y(x, t) = 2.50 cm cos(2,500 rad/s t − 15.0 m⁻¹ x). What are the wavenumber k and direction of propagation of the wave?

A transverse periodic wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t − 20.0 m⁻¹ z). Another transverse wave is represented by the equation y(z, t) = 2.0 cm sin(1,200 rad/s t + 20.0 m⁻¹ z). What is the equation that represents the superposition of the two waves?

A string on a violin is stretched between two points 20.00 cm apart with a tension of 120.0 N. The mass/length of the string is 0.002000 kg/m. The frequency of the 2^nd overtone is

Two speakers emit incoherent sound waves into the open air. One of them produces 75W of power. A microphone is placed at a position that is 12m from each speakers, and it receives a total intensity of 0.25W/m². What is the power output of the second speaker?

A longitudinal wave is represented by the equation z(z, t) = −2.0 cm sin(1,200 rad/s t − 20 m⁻¹ z). Another longitudinal wave is represented by the equation z(z, t) = +2.0 cm sin(1,200 rad/s t + 20 m⁻¹ z). What is the equation that represents the superposition of the two waves?