7. A tug boat horn emits a frequency of 300 Hz in 19 °C air a) Determinethe speed of sound (round answer to the nearest whole number in m/s. b)Use the speed of sound in air determined in part a) to determine theobserved frequency if the tug boat is moving away from a stationaryobserver at 12 m/s.Your answerZACHERY BEAULA

Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Answered: 7. A tug boat horn emits a frequency of…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter13: Mechanical Waves

Section: Chapter Questions

Problem 41P

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Similar questions

Dolphins make sounds in air and water. What is the ratio of the wavelength at a sound in air to its wavelength in seawater? Assume air temperature is 20.0°C.
(a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering sound over a large area and concentrating it on the smaller area of the eardrum. What decibel increase does an ear trumpet produce it its sound gathering area is 900 cm2 and the area of the eardrum is 0.500 cm2, but the trumpet only has an eficiency of 5.00% in transmitting the sound to the eardrum? (b) Comment on the usefulness of the decibel increase found in part (a).
Air temperature in the Sahara Desert can reach 56.0°C (about 134°F). What is line speed of sound in air at that temperature?
. The frequency of middle C on the piano is 261.6 Hz. (a) What is the wavelength of sound with this frequency as it travels in air at room temperature? (b) What is the wavelength of sound with this frequency in water?
The frequency of the lowest note played on a flute at room temperature (20°C) is 262 Hz. What would be the frequency of the same note when the flute is played outside in the winter and the air temperature in the flute is 0°C?
A police car is traveling east at 40.0 m/s along a straight road, overtaking a car ahead of it moving east at 30.0 m/s. The police car has a malfunctioning siren that is stuck at 1 000 Hz. (a) What would be the wavelength in air of the siren sound if' the police car were at rest? (b) What is the wavelength in front of the police car? (c) What is it behind the police car? (d) What is the frequency heard by the driver being chased?
(a) What are the loudnesses in phons of sounds having frequencies of 200, 1000, 5000, and 10,000 Hz. if they are all at the same 60.0dB sound intensity level? (b) If may are all at 110 dB? (c) If they are all at 20.0 dB?
A sound wave propagates in air at 27C with frequency 4.00 kHz. It passes through a region where the temperature gradually changes and then moves through air at 0C. Give numerical answers to the following questions to the extent possible and state your reasoning about what happens to the wave physically. (a) What happens to the speed of the wave? (b) What happens to its frequency? (c) What happens to its wavelength?

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