1 Introduction: The Nature Of Science And Physics 2 Kinematics 3 Two-dimensional Kinematics 4 Dynamics: Force And Newton's Laws Of Motion 5 Further Applications Of Newton's Laws: Friction, Drag, And Elasticity 6 Gravitation And Uniform Circular Motion 7 Work, Energy, And Energy Resources 8 Linear Momentum And Collisions 9 Statics And Torque 10 Rotational Motion And Angular Momentum 11 Fluid Statics 12 Fluid Dynamics And Its Biological And Medical Applications 13 Temperature, Kinetic Theory, And The Gas Laws 14 Heat And Heat Transfer Methods 15 Thermodynamics 16 Oscillatory Motion And Waves 17 Physics Of Hearing 18 Electric Charge And Electric Field 19 Electric Potential And Electric Field 20 Electric Current, Resistance, And Ohm's Law 21 Circuits, Bioelectricity, And Dc Instruments 22 Magnetism 23 Electromagnetic Induction, Ac Circuits, And Electrical Technologies 24 Electromagnetic Waves 25 Geometric Optics 26 Vision And Optical Instruments 27 Wave Optics 28 Special Relativity 29 Introduction To Quantum Physics 30 Atomic Physics 31 Radioactivity And Nuclear Physics 32 Medical Applications Of Nuclear Physics 33 Particle Physics 34 Frontiers Of Physics expand_more
Chapter Questions expand_more
Problem 1CQ: How do sound vibrations of atoms differ from thermal motion? Problem 2CQ: When sound passes from one medium to another where its propagation speed is different, does its... Problem 3CQ: Six members at a synchronized swim team weal earplugs to protect themselves against water pressure... Problem 4CQ: A community is concerned about a plan to bring train service to their downtown from the town's... Problem 5CQ: Is the Doppler shift real or just a sensory illusion? Problem 6CQ: Due to eficiency considerations related to its bow wake, the supersonic transport aircraft must... Problem 7CQ: When you hear a sonic boom, you often cannot see the plane that made it. Why is that? Problem 8CQ: How does an unamplified guitar produce sounds so much more intense than muse of a plucked string... Problem 9CQ: You are given two wind instruments of identical length. One is open at both ends, whereas the other... Problem 10CQ: What is the difference between an overtone and a harmonic? Are all harmonics overtones? Are all... Problem 11CQ: Why can a hearing test show that your threshold of hearing is 0 dB at 250 Hz, when Figure 17.37... Problem 12CQ: If audible sound follows a rule of thumb similar to that for ultrasound, in terms of its absorption,... Problem 13CQ: Elephants and whales are known to use infrasound to communicate over very large distances. What are... Problem 14CQ: It is more difficult to obtain a high—resolution ultrasound image in the abdominal legion at someone... Problem 15CQ: Suppose you read mat 210dB ultrasound is being used to pulverize cancerous tumors. You calculate me... Problem 1PE: When poked by a spear, an operatic soprano lets out a 1200—Hz shriek. What is its wavelength if the... Problem 2PE: What frequency sound has a 0.10m wavelength when the speed of sound is 340 m/s? Problem 3PE: Calculate the speed of sound on a day when a 1500 Hz frequency has a wavelength of 0.221 m. Problem 4PE Problem 5PE: Show mat the speed of sound in 20.0°C air is 343 m/s, as claimed in the text. Problem 6PE: Air temperature in the Sahara Desert can reach 56.0°C (about 134°F). What is line speed of sound in... Problem 7PE: Dolphins make sounds in air and water. What is the ratio of the wavelength at a sound in air to its... Problem 8PE: A sonar echo returns to a submarine 1.20 s after being emitted. What is the distance to the object... Problem 9PE: (a) If a submarine’s sonar can measure echo times with a precision of 0.00100 s, what is the... Problem 10PE: A physicist a1 a fireworks display times the lag between seeing an explosion and hearing its sound,... Problem 11PE Problem 12PE: What is the intensity in watts per meter squared of 85.0dB sound? Problem 13PE: The warning tag on a lawn mower states that it produces noise at a level at 91.0 dB. What is this in... Problem 14PE: A sound wave traveling in 20°C air has a pressure amplitude of 0.5 Pa. What is the intensity of the... Problem 15PE: What intensity level does the sound in the preceding problem correspond to? Problem 16PE: What sound intensity level in dB is produced by earphones that create an intensity of 4.00102W/m2 ? Problem 17PE: Show that an intensity of 1012 W/m2 is the same as 1016 W/cm2. Problem 18PE: (a) What is the decibel level of a sound that is twice as intense as a 90.0dB sound? (b) What is the... Problem 19PE: (a) What is the intensity of a sound that has a level 7.00 dB lower than a 4.00109W/m2 sound? (b)... Problem 20PE: (a) How much more intense is a sound that has a level 17.0 dB higher man another? (b) If one sound... Problem 21PE: People with good hearing can perceive sounds as low in level as 8.00 dB at a frequency of 3000 Hz.... Problem 22PE: If a large housefly 3.0 m away from you makes a noise of 40.0 dB, what is the noise level of 1000... Problem 23PE: Ten cars in a circle at a boom box competition produce a 120dB sound intensity level at the center... Problem 24PE: The amplitude of a sound wave is measured in terms of its maximum gauge pressure. By what factor... Problem 25PE: If a sound intensity level of 0 dB at 1000 Hz corresponds to a maximum gauge pressure (sound... Problem 26PE: An 8hour exposure to a sound intensity level of 90.0 dB may cause hearing damage. What energy in... Problem 27PE: (a) Ear trumpets were never very common, but they did aid people with hearing losses by gathering... Problem 28PE: Sound is more effectively transmitted into a stethoscope by direct contact than through the air, and... Problem 29PE: Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low... Problem 30PE: (a) What frequency is received by a person watching an oncoming ambulance moving at 110 km/h and... Problem 31PE: (a) At an air show a jet flies directly toward the stands at a speed of 1200 km/h, emitting a... Problem 32PE: What frequency is received by a mouse just before being dispatched by a hawk flying at it at 25.0... Problem 33PE: A spectator at a parade receives an 888-Hz tone from an oncoming trumpeter who is playing an 880—Hz... Problem 34PE: A commuter train blows its 200Hz horn as it approaches a crossing. The speed at sound is 335 m/s.... Problem 35PE: Can you perceive the shift in frequency produced when you pull a tuning fork toward you at 10.0 m/s... Problem 36PE: Two eagles fly directly toward one another. The first at 15.0 m/s and the second at 20.0 m/s. Both... Problem 37PE: What is the minimum speed at which a source must travel toward you for you to be able to hear that... Problem 38PE: A “showy" custom—built car has two brass horns that are supposed to produce the same frequency but... Problem 39PE: What beat frequencies will be present: (a) If the musical notes A and C are played together... Problem 40PE: What beat frequencies result if a piano hammer hits there strings that emit frequencies of 127.8,... Problem 41PE: A piano tuner hears a heat every 2.00 s when listening to a 264.0Hz tuning fork and a single piano... Problem 42PE: (a) What is the fundamental frequency of a 0.672—m—long tube, open at both ends, on a day when the... Problem 43PE: If a wind instrument, such as a tuba, has a fundamental frequency of 32.0 Hz, what are its first... Problem 44PE: What are the first three overtones of a bassoon that has a fundamental frequency of 90.0 Hz? It is... Problem 45PE: How long must a fiute be in order to have a fundamental frequency of 262 Hz this frequency... Problem 46PE: What length should an oboe have to produce a fundamental frequency of 110 Hz on a day when the speed... Problem 47PE: What is the length of a tube that has a fundamental frequency of 176 Hz and a first overtone of 352... Problem 48PE: (a) Find the length of an organ pipe closed at one end that produces a fundamental frequency of 256... Problem 49PE: By what fraction will the frequencies produced by a wind instrument change when air temperature goes... Problem 50PE Problem 51PE: Calculate the first overtone in an ear canal, which resonates like a 2.40cmlong tube closed at one... Problem 52PE Problem 53PE: (a) Students in a physics lab are asked to find the length of an air column in a tube closed at one... Problem 54PE: What frequencies will a 1.80-m—long tube produce in the audible range at 20.0°C if: (a) The tube is... Problem 55PE: The factor of 1012 in the range of intensities to which the ear can respond, from threshold to that... Problem 56PE: The frequencies to which the ear responds vary by a factor of 103. Suppose the speedometer on your... Problem 57PE: What are the closest frequencies to 500 Hz that an average person can clearly distinguish as being... Problem 58PE: Can the average person tell that a 2002-Hz sound has a different frequency than a 1999-Hz sound... Problem 59PE: If your radio is producing an average sound intensity level of 85 dB, what is the next lowest sound... Problem 60PE: Can you tell that your roommate turned up the sound on the TV if its average sound intensity level... Problem 61PE Problem 62PE: What sound intensity levels must sounds of frequencies 60,3000, and 8000 Hz have in order to have... Problem 63PE: What is me approximate sound intensity level in decibels of a 600Hz tone if it has a loudness of 20... Problem 64PE: (a) What are the loudnesses in phons of sounds having frequencies of 200, 1000, 5000, and 10,000 Hz.... Problem 65PE: Suppose a person has a 50—UB hearing loss at all frequencies. By how many factors of 10 will... Problem 66PE: If a woman needs an amplification of 5.01012 times we threshold intensity to enable her to hear at... Problem 67PE: (a) What is the intensity in watts per meter squared of a just barely audible ZUD—Hz sound? (b) What... Problem 68PE: (a) Find the intensity in watts per meter squared of a 60.0Hz sound having a loudness of 60 phons.... Problem 69PE: A person has a hearing threshold 10 dB above normal at 100 Hz and 50 dB above normal at 4000 Hz. How... Problem 70PE: A child has a hearing loss of 60 dB near 5000 Hz, due to noise exposure, and normal hearing... Problem 71PE: What is the ratio of intensi?es of two sounds of identical frequency if the first is just barely... Problem 72PE: What is the sound intensity level in decibels of ultrasound of intensity 105 W/m2, used to pulverize... Problem 73PE: Is 155—dB ultrasound in the range at intensities used for deep heating? Calculate the intensity of... Problem 74PE: Find the sound intensity level in decibels of 2.00102W/m2 ultrasound used in medical diagnostics. Problem 75PE: The time delay between transmission and the arrival of the reflected wave of a signal using... Problem 76PE Problem 77PE: (a) Calculate the minimum frequency of ultrasound that will allow you to see details as small as... Problem 78PE: (a) Find the size of the smallest detail observable in human tissue with 20.0-MHz ultrasound. (b) Is... Problem 79PE: (a) Echo times are measured by diagnostic ultrasound scanners to determine distances to re?ecting... Problem 80PE: (a) How far apart are two layers of tissue that produce echoes having round-trip times (used t0... Problem 81PE: (a) A bat uses ultrasound to find its way among trees. If this bat can detect echoes 1.00 ms apart,... Problem 82PE: A dolphin is able to tell in the dark that the ultrasound echoes received from two sharks come from... Problem 83PE: A diagnostic ultrasound echo is re?ected from moving blood and returns with a frequency 500 Hz... Problem 84PE: Ultrasound reflected from an oncoming bloodstream mat is moving at 30.0 cm/s is mixed with the... Problem 1TP Problem 2TP Problem 3TP Problem 4TP Problem 5TP Problem 6TP Problem 7TP Problem 8TP Problem 9TP Problem 10TP Problem 11TP Problem 12TP Problem 13TP Problem 14TP Problem 15TP Problem 16TP Problem 17TP Problem 18TP Problem 19TP Problem 20TP Problem 21TP Problem 22TP format_list_bulleted
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