A trumpet player is holding a tone with a 440 Hz fundamental frequency while seated on a porch which faces a road that dead ends in the street in front of her house. What fundamental frequency in Hz is heard by a passenger in a car that approaches the trumpet at 30 m/s? The speed of sound is 340 m/s on that day. a. 404 b. 440 c. 479 d. 518 e. 525

A trumpet player is holding a tone with a 440 Hz fundamental frequency while seated on a porch which faces a road that dead ends in the street in front of her house. What fundamental frequency in Hz is heard by a passenger in a car that approaches the trumpet at 30 m/s? The speed of sound is 340 m/s on that day. a. 404 b. 440 c. 479 d. 518 e. 525

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

A boy has climbed to the top of a 6m tall tree. When he shouts, the sound waves have an intensity of 0.25W/m2 at a 1 m distance from the top of the tree. The ratio of intensity at the base of the tree to the intensity 1 m from the top of the tree is Select one: O a. 0.167 b. 0.04 O c. 0.028 O O O d. 0.408 e. 0.2
A sound wave, generated at a frequency of 440 hertz has a wavelength of 2.3 meters as ittravels through a solid material. The approximate speed of the wave is ____ m/sec.a. 140b. 190c. 760d. 1,000
person shouts and their voice creates a sound wave with a frequency of 540 Hz. Their voicetravels distance of 154m before it is heard by their friends 0.467 seconds later.a.What is the speed of the wave?b. What is the wavelength of the wave?C.What is the period of the wave?
17. Harvey, a harpist, plucks a 0.600 m long string on his harp. The string has a first overtone of 1046.6 Hz. How fast does the vibration travel through the string? * a. 682 m/s b. 648 m/s c. 1256 m/s d. 432 m/s e. None of the above
The sound level at a distance d3D28 m from a loudspeaker is 70 dB. What is the power (in Watt) at which sound energy is being produced by the loudspeaker?. The threshold of hearing, lo = 1*10 12 W/m2. A. None B. 0.3139 C. 0.4125 D. 0.3942 E. 0.09855 to search
A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500m/s and in air it is 250 m/s. the frequency of sound detected in air is" A. 200 Hz B. 3000HZ C. 900HZ D. None of the above
A 62.5-Hz sound wave is barely audible at a sound intensity level of 60.0 dB. The density of air at 20.0°C is 1.20 kg/m3. Speed of sound in air at 20.0°C is 343 m/s. What is the displacement amplitude of a 62.5-Hz sound wave? in nm What is the ratio of the displacement amplitude to the average distance between molecules in air at room temperature, about 2.00 nm?
2 flutists are tuning their flutes with one playing a 560 Hz tone and the other playing a 548 Hz tone. A. determine the beat frequency. B. determine the resulting tone frequency everyone hears.
6
A 90 cm-long steel string with a linear density of 1.1 g/m is under 100 N tension. It is plucked and vibrates at its fundamental frequency. a. Determine the fundamental frequency of vibration. b. What is the wavelength of the sound wave that reaches your ear in a 20° C room?
A hammer taps on the end of a 4.0 m long metal bar at room temp. A microphone on the other end of the bar picks up two pulses of sound, one that travels through the metal and one that travels through the air. The pulses are separated in time by 11 ms. a. what is the speed of sound in theis metal? solved: v= 6060m/s. b. if the bar was twice as long, what would be the time difference? delta t = (in ms)
Suppose an oncoming ambulance moving at 115 km/h emits a steady 805-Hz sound from its siren. a. What frequency, in Hz, is received by a person watching the oncoming ambulance? The speed of sound on this day is 345 m/s. b. What frequency, in Hz, does she observe after the ambulance has passed?