Principles of Physics: A Calculus-Based Text
5th Edition
ISBN: 9781133104261
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 14, Problem 6OQ
To determine
The frequency of the second tuning fork
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A train approaches a platform at a speed of 30 km/h while it blows its whistle. Someone on the platform hears the whistle at 275 Hz. Calculate the actual frequency of the whistle. (speed of sound = 343 m/s)
Standing at a crosswalk, you hear a frequency of 600 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 500 Hz. Determine the ambulance's speed from these observations. (Take the speed of sound to be 343 m/s.)
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698.5 Hz, but one of them is sharp
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Chapter 14 Solutions
Principles of Physics: A Calculus-Based Text
Ch. 14.1 - Prob. 14.1QQCh. 14.2 - Prob. 14.2QQCh. 14.3 - When a standing wave is set up on a string fixed...Ch. 14.4 - Prob. 14.4QQCh. 14.4 - Prob. 14.5QQCh. 14.5 - You are tuning a guitar by comparing the sound of...Ch. 14 - A flute has a length of 58.0 cm. If the speed of...Ch. 14 - Prob. 2OQCh. 14 - In Figure OQ14.3, a sound wave of wavelength 0.8 m...Ch. 14 - Prob. 4OQ
Ch. 14 - Prob. 5OQCh. 14 - Prob. 6OQCh. 14 - Prob. 7OQCh. 14 - Prob. 8OQCh. 14 - Prob. 9OQCh. 14 - Prob. 10OQCh. 14 - A standing wave having three nodes is set up in a...Ch. 14 - Prob. 1CQCh. 14 - Prob. 2CQCh. 14 - Prob. 3CQCh. 14 - Prob. 4CQCh. 14 - What limits the amplitude of motion of a real...Ch. 14 - Prob. 6CQCh. 14 - Prob. 7CQCh. 14 - Prob. 8CQCh. 14 - Prob. 1PCh. 14 - Prob. 2PCh. 14 - Prob. 3PCh. 14 - Prob. 4PCh. 14 - Prob. 5PCh. 14 - Prob. 6PCh. 14 - Prob. 7PCh. 14 - Prob. 8PCh. 14 - Prob. 9PCh. 14 - Prob. 10PCh. 14 - Prob. 11PCh. 14 - Prob. 12PCh. 14 - Prob. 13PCh. 14 - Prob. 14PCh. 14 - Prob. 15PCh. 14 - Prob. 16PCh. 14 - Prob. 17PCh. 14 - Prob. 18PCh. 14 - Prob. 19PCh. 14 - Prob. 20PCh. 14 - A string with a mass m = 8.00 g and a length L =...Ch. 14 - Prob. 22PCh. 14 - Prob. 23PCh. 14 - Prob. 24PCh. 14 - Prob. 25PCh. 14 - Review. A sphere of mass M is supported by a...Ch. 14 - Prob. 27PCh. 14 - Prob. 28PCh. 14 - Prob. 29PCh. 14 - Prob. 30PCh. 14 - Prob. 31PCh. 14 - The overall length of a piccolo is 32.0 cm. The...Ch. 14 - Prob. 33PCh. 14 - Prob. 34PCh. 14 - Two adjacent natural frequencies of an organ pipe...Ch. 14 - Do not stick anything into your ear! Estimate the...Ch. 14 - Prob. 37PCh. 14 - As shown in Figure P14.37, water is pumped into a...Ch. 14 - Prob. 39PCh. 14 - Prob. 40PCh. 14 - Prob. 41PCh. 14 - Why is the following situation impossible? A...Ch. 14 - 23. An air column in a glass tube is open at one...Ch. 14 - Prob. 44PCh. 14 - Prob. 45PCh. 14 - Prob. 46PCh. 14 - Prob. 47PCh. 14 - Prob. 48PCh. 14 - Some studies suggest that the upper frequency...Ch. 14 - Prob. 50PCh. 14 - An earthquake can produce a seiche in a lake in...Ch. 14 - Prob. 52PCh. 14 - Prob. 53PCh. 14 - Prob. 54PCh. 14 - Prob. 55PCh. 14 - A nylon string has mass 5.50 g and length L = 86.0...Ch. 14 - Prob. 57PCh. 14 - Prob. 58PCh. 14 - Prob. 59PCh. 14 - Review. For the arrangement shown in Figure...Ch. 14 - Prob. 61PCh. 14 - Prob. 62PCh. 14 - Prob. 63PCh. 14 - Prob. 64PCh. 14 - Prob. 65PCh. 14 - Prob. 66PCh. 14 - Prob. 67PCh. 14 - Review. Consider the apparatus shown in Figure...Ch. 14 - Prob. 69P
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- A 2.29-m long organ pipe acts as a closed-end resonator that produces several different harmonic frequencies in the audible range from 20 Hz to 20,000 Hz. Assuming a speed of sound of 343 m/s, determine the 5th highest frequency that the pipe can produce.arrow_forwardAn instrument has a lowest frequency of 40 Hz. The string has mass per unit length of 0.015 kg/m. Calculate the tension in the string.arrow_forwardTwo tuning forks are designed to produce sound at the same frequency of 440 Hz. However, due to slight manufacturing defects, the frequency of one is actually 440.5 Hz and the other is 439.5 Hz. When both tuning forks are struck simultaneously, a beat frequency is heard. Calculate the frequency of the beats. If the speed of sound in air is 343 m/s, calculate the wavelength difference between the waves produced by the two tuning forks.arrow_forward
- The frequency of the siren of an ambulance is 900 Hz and is approaching you. You are standing on a corner and observe a frequency of 960 Hz. What is the speed of the ambulance (in mph) if the speed of sound is v = 340.00 m/s?arrow_forwardTwo timpani (tunable drums) are played at the same time. One is correctly turned so that when it is struck, sound is produced that has a wavelength of 2.20m. If the speed of sound is 343m/s, what beat frequency is heard?arrow_forwardA bird is flying directly toward a stationary bird-watcher and emits a frequency of 1370 Hz. The bird-watcher, however, hears a frequency of 1430 Hz. What is the speed of the bird, expressed as a percentage of the speed of sound?arrow_forward
- A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 64.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest insect a bat can detect?arrow_forwardAn organ pipe with length L = 2.00m is closed at one end. Compute the wavelengths and frequencies of the first three modes of resonance. Assume the speed of sound is v = 343 m/s. = m f₁ = Hz 13- m f3= 15 = f= Hz m Hzarrow_forwardTwo ultrasonic sound waves combine and form a beat frequency that is in the range of human hearing for a healthy young person. The frequency of one of the ultrasonic waves is 72 kHz. What is the largest possible value for the frequency of the other ultrasonic wave?arrow_forward
- Two loudspeakers placed next to each other each emit a pure tone with the same amplitude. One speaker emits a tone with a frequency of 397.0 Hz, the other with a frequency of 390.0 Hz. A distant listener perceives a pure tone that has a single frequency, but varies in loudness with a perceived "beat." (a)What is the frequency (in Hz) of the pure tone perceived by the listener? (Round your answer to at least the nearest integer.)arrow_forwardTwo identical piano strings of length 0.750 m are each tuned exactly to 440 Hz. The tension in one of the strings is then increased by 1.0%. If they are now struck, what is the beat frequency between the fundamentals of the two strings?arrow_forwardA rope 2.0 m long has a mass of 2.4x10^-2 kg. When it is fixed at both ends it vibrates with a fundamental frequency of 150 Hz. The frequency of the third harmonic is what? Must be answered in Hz or kHz.arrow_forward
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