Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 23, Problem 52SP
A whisper has an intensity level of about 15 dB. What is the corresponding intensity of the sound?
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 23 - 22. Three seconds after a gun is fired, the person...Ch. 23 - 23. What is the speed of sound in air when the air...Ch. 23 - 24. A longitudinal wave with a frequency of 100 Hz...Ch. 23 - 25. If the speed of sound in air is found to be...Ch. 23 - 26. An autofocusing camera sends out a pulse of...Ch. 23 - 27. It’s often claimed that for every second of...Ch. 23 - 28. A shell fired at a target 800 m away was heard...Ch. 23 - 29. In an experiment to determine the speed of...Ch. 23 - 23.30 [II] A disk has 40 holes around its...Ch. 23 - 23.31 [I] The bulk modulus of seawater is 2.1 GPa....
Ch. 23 - 32. Use Eq. (23.2) to determine the approximate...Ch. 23 - 33. Compute the speed of sound in helium gas at...Ch. 23 - 23.34 [II] Determine the speed of sound in carbon...Ch. 23 - 23.35 [II] Compute the molecular mass M of a gas...Ch. 23 - 23.36 [II] At S.T.P., the speed of sound in air is...Ch. 23 - Prob. 37SPCh. 23 - 23.38 [II] A bar of dimensions and mass 2.00 kg...Ch. 23 - 39. Find the speed of compression waves in a metal...Ch. 23 - Prob. 40SPCh. 23 - 23.41 [I] The level of normal speech exchanged...Ch. 23 - 42. The threshold of human hearing is an intensity...Ch. 23 - 23.43 [II] A machine produces a sound level of 80...Ch. 23 - 44. Suppose the intensity of sound increases by a...Ch. 23 - 45. If the intensity level of sound is to be...Ch. 23 - 46. Suppose we add ±3.0 dB to the intensity level...Ch. 23 - 23.47 [I] If the intensity of sound changes, the...Ch. 23 - 23.48 [I] Redo Problem 23.45 using Eq. (23.9).
Ch. 23 - 49. A sound has an intensity of 5.0 × 10−7 W/m2....Ch. 23 - 50. A person riding a power mower may be subjected...Ch. 23 - 23.51 [II] A rock band might easily produce a...Ch. 23 - 23.52 [II] A whisper has an intensity level of...Ch. 23 - 23.53 [II] What sound intensity is 3.0 dB louder...Ch. 23 - 23.54 [II] Calculate the intensity of a sound wave...Ch. 23 - 23.55 [II] What is the amplitude of vibration in a...Ch. 23 - 23.56 [II] One sound has an intensity level of...Ch. 23 - 23.57 [II] An organ pipe is tuned to emit a...Ch. 23 - 23.58 [I] A locomotive moving at 30.0 m/s...Ch. 23 - 23.59 [II] Two cars are heading straight at each...Ch. 23 - 23.60 [II] To determine the speed of a harmonic...Ch. 23 - 23.62 [II] The two sources shown in Fig. 23-4 emit...
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- A sound wave traveling in air has a pressure amplitude of 0.5 Pa. What is the intensity of the wave?arrow_forwardA sound with an intensity level of 30 dB is how many times louder than the threshold of hearing? (6.4) (a) 10 (b) 3000 (c) 100 (d) 1000arrow_forwardA moving observer approaches a stationary sound source. What does the observer hear? (6.5) (a) an increase in frequency (b) a decrease in frequency (c) the same frequency as the sourcearrow_forward
- The area of a typical eardrum is about 5.0 105 m2. Calculate the sound power (the energy per second) incident on an eardrum at (a) the threshold of hearing and (b) the threshold of pain.arrow_forwardWhat is the intensity in watts per meter squared of a 85.0-dB sound?arrow_forwardThe warning tag on a lawn mower states that it produces noise at a level of 91.0 dB. What is this in watts per meter squared?arrow_forward
- Of the following sounds, which one is most likely to have a sound level of 60 dB? (a) a rock concert (b) the turning of a page in this textbook (c) dinner-table conversation (d) a cheering crowd at a football gamearrow_forwardWhat sound intensity level in dB is produced by earphones that create an intensity of 4.00102W/m2 ?arrow_forwardFind the sound intensity level in decibels of 2.00102W/m2 ultrasound used in medical diagnostics.arrow_forward
- The speed of sound is generally greatest in ____ . (6.4) (a) gases (b) liquids (c) solids (d) vacuumarrow_forwardA wave with particle oscillation parallel to the direction of propagation is a(n) _____ . (6.2) (a) transverse wave (b) longitudinal wave (c) light wave (d) none of the precedingarrow_forward
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What Are Sound Wave Properties? | Physics in Motion; Author: GPB Education;https://www.youtube.com/watch?v=GW6_U553sK8;License: Standard YouTube License, CC-BY