College PhysicsOER 2016 EditionOpenStax Publisher: OpenStax CollegeISBN: 9781947172173
College Physics
Solutions for College Physics
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 6CQ:
Due to eficiency considerations related to its bow wake, the supersonic transport aircraft must...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 3PE:
Calculate the speed of sound on a day when a 1500 Hz frequency has a wavelength of 0.221 m.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 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 16PE:
What sound intensity level in dB is produced by earphones that create an intensity of 4.00102W/m2 ?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 51PE:
Calculate the first overtone in an ear canal, which resonates like a 2.40cmlong tube closed at one...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 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 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...Browse All Chapters of This Textbook
Chapter 1 - Introduction: The Nature Of Science And PhysicsChapter 2 - KinematicsChapter 3 - Two-dimensional KinematicsChapter 4 - Dynamics: Force And Newton's Laws Of MotionChapter 5 - Further Applications Of Newton's Laws: Friction, Drag, And ElasticityChapter 6 - Gravitation And Uniform Circular MotionChapter 7 - Work, Energy, And Energy ResourcesChapter 8 - Linear Momentum And CollisionsChapter 9 - Statics And TorqueChapter 10 - Rotational Motion And Angular Momentum
Chapter 11 - Fluid StaticsChapter 12 - Fluid Dynamics And Its Biological And Medical ApplicationsChapter 13 - Temperature, Kinetic Theory, And The Gas LawsChapter 14 - Heat And Heat Transfer MethodsChapter 15 - ThermodynamicsChapter 16 - Oscillatory Motion And WavesChapter 17 - Physics Of HearingChapter 18 - Electric Charge And Electric FieldChapter 19 - Electric Potential And Electric FieldChapter 20 - Electric Current, Resistance, And Ohm's LawChapter 21 - Circuits, Bioelectricity, And Dc InstrumentsChapter 22 - MagnetismChapter 23 - Electromagnetic Induction, Ac Circuits, And Electrical TechnologiesChapter 24 - Electromagnetic WavesChapter 25 - Geometric OpticsChapter 26 - Vision And Optical InstrumentsChapter 27 - Wave OpticsChapter 28 - Special RelativityChapter 29 - Introduction To Quantum PhysicsChapter 30 - Atomic PhysicsChapter 31 - Radioactivity And Nuclear PhysicsChapter 32 - Medical Applications Of Nuclear PhysicsChapter 33 - Particle PhysicsChapter 34 - Frontiers Of Physics
Sample Solutions for this Textbook
We offer sample solutions for College Physics homework problems. See examples below:
Chapter 1, Problem 1CQChapter 2, Problem 1CQGiven: The given figure is, Figure (1) Formula used: The velocity of particle is given as, v=ΔxΔt...Chapter 3, Problem 1CQGiven: The given table is, Height (m)Time...Chapter 4, Problem 1CQChapter 5, Problem 1CQChapter 6, Problem 1CQChapter 7, Problem 1CQ
Given: Distance traveled with rocket engine firing ( m)Payload final velocity (...Chapter 8, Problem 1CQGiven: The mass of the girl is m=40 kg. The mass of the platform is m=120 kg. The initial speed of...Introduction: An experiment can be performed in which the two carts will be placed on a straight...Given: The mass of puck A is mA=200 g. The mass of puck B is mB=800 g. Formula used: The initial...Given: Mass of A, ma=3m. Mass of B, mb=m. Velocity of mass A before collision, ua=12 m/s. Velocity...Given: Velocity of object A before collision, ua=4 m/s. Velocity of object B before collision, ub=−8...Given: The positions of two objects before and after collision are depicted in the following figure....Given: Mass of A is ma=1.0 kg. Mass of B is mb=3.0 kg. Initial velocity of mass A is ua=8 m/s....Given: Mass of A is ma=1.0 kg. Mass of B is mb=1.0 kg. Initial velocity of mass A is ua=4 m/s....Given: Let the mass of A be m1. The mass m2 of B is m2=2m1. The initial velocity of mass B is...Given: The mass A is moving in +x direction with an initial velocity, v1=15 m/s. The mass of B is,...Given: The mass of car A is, m1=2000 kg. The initial velocity of car A is, v1=38 m/s in the east...Chapter 9, Problem 1CQGiven: The mass of the bridge is, m=2500 kg. Formula used: The relation between the mass and weight...Given: The mass of the bridge is M=2500 kg. The mass of the car is m=900 kg. The distance of weight...Given: The mass of the woman is m1=50 kg. The acceleration due to gravity is g=9.8 m/s2. Formula...Given: Number of bricks in the wheel barrow is 20. Mass of each brick is 3 kg. Formula used: Write...Given: The weight of the dumbbell is w1=20 lb. Formula used: The relation between the mass and...Chapter 10, Problem 1CQChapter 11, Problem 1CQGiven info: The manometer along balloon and jar is shown below: Height of the liquid inside the...Given: Mass of brace, mb=150 kg Mass of load, ml=400 kg Formula used: The Force for the slave...Given info: The radius of volleyball increases by 10%. Formula used: Density is mass per unit volume...Given: Density of water, Volume of liquid, Formula Used: A polystyrene cube floating partially...Chapter 12, Problem 1CQGiven: Diameter of pipe =3.5cm Force= 320 N Rate of flowing water = 2.5m/s Pumped water level = 21m...Chapter 13, Problem 1CQChapter 14, Problem 1CQChapter 15, Problem 1CQChapter 16, Problem 1CQChapter 17, Problem 1CQGiven: The distance between bat and insect is 3.00 m. The temperatures at which echo times is to be...Given: Refer Table [17.8] The value of acoustic impedance of transducer material is, Zt=30.8×106...Given: The frequency of the car's horn is fhorn=200 Hz. Formula used: The expression for the...Given: The data length of an air column and a resonant frequency present when the column is struck...Chapter 18, Problem 1CQGiven: Point charges located at 1.00 cm, 5.00 cm, 8.00 cm and 14.0 cm along the x -axis. Formula...Given: Point charges located at 3.00, 8.00 and 11.0 cm along the x -axis. Formula used: Electric...Given: Four charges qa, qb, qc, qd placed at each corner of the square with side 5 cmhaving...Given: qb=+10.00μC qc=−5.00μC Side of an equilateral triangle 25.0 cm Formula used: E=Ebcosφ...Given: qa=+2.50 nC qb=−8.00 nC qc=+1.50 nC Point charges located at the corners of an equilateral...Formula used: The magnitude of the electrostatic force between two electrons isgiven by: FC=kq2r2...Introduction: The lines of forces are imaginary which signify amplitude and direction of an electric...Chapter 19, Problem 1CQGiven info: Charges q1=1 μCq2=−2 μCq3=3 μC Formula used: The potential energy is given by PE=−kq1q2d...Given: The charge of the particle is identical, that is, q=q. The impact of the second particle on...Chapter 20, Problem 1CQGiven: WireLengthDiameterWire 12m1cmWire 21m0.5 cmWire 31m1cm Formula used: Resistance in the wire...Given information: The given statement is a switch has a variable resistance that is nearly zero...Given information: The given figure is Introduction: Kirchhoff's junction rule states that the sum...Given information: The given figure is Formula used: Kirchhoff's second rule states that in a closed...Given information: The given figure is Introduction: Ammeter is connected in series in the circuit...Given information: The given figure is Introduction: Kirchhoff's second rule states that in a closed...Given information: The given figure is Concept Introduction: Kirchhoff's second rule states that in...Given information: The voltage of alkaline cell is 1.585 V. An internal resistance is 0.100Ω....Given information: Figure shows how a bleeder resistor is used to discharge a capacitor after an...Given: Parallel combination of two 20 Ω and one 10 Ω resistors is connected in series with a 4Ω...Chapter 22, Problem 1CQGiven: Current carrying wire is placed at the vertices of an equilateral triangle of side 10.0 cm=...Given: A pendulum is set up so that its bob swings between the poles of permanent magnet. Charge on...Chapter 23, Problem 1CQGiven information: An ideal step-up transformer with turn ratio 1:30 is supplied with an input power...Chapter 24, Problem 1CQChapter 25, Problem 1CQChapter 26, Problem 1CQChapter 27, Problem 1CQIntroduction: The resultant amplitude of two waves with equal amplitude is given by A2=2A12(1+cosδ)...Given: The nth -order diffraction angle for the longest wavelength is, θl1=53.13°. The longest...Chapter 28, Problem 1CQGiven: The Relativistic energy is E, Themomentum is p, The rest mass is m0 The speed of light is c....Chapter 29, Problem 1CQChapter 30, Problem 1CQGiven: The wavelength of first photon is λ1=121.6 nm. The wavelength of second photon is λ2=102.6...Given: The energy of the level 2 is E2=−3.4 eV. The energy of the level 3 is E3=−1.5 eV. Formula...Chapter 31, Problem 1CQChapter 32, Problem 1CQIntroduction: The formation of one or more different atomic nuclei and the subatomic particles by...Given: The reaction of nuclear fission is n01+U92235→U92236→B56141a +Ky92r + x n01 Formula Used: An...Chapter 33, Problem 1CQChapter 34, Problem 1CQ
More Editions of This Book
Corresponding editions of this textbook are also available below:
COLLEGE PHYSICS (OER)
1st Edition
ISBN: 9781947172012
COLLEGE PHYSICS
2nd Edition
ISBN: 9781711470832
COLLEGE PHYSICS
13th Edition
ISBN: 2810014673880
College Physics for AP Courses
1st Edition
ISBN: 9781630181871
College Physics
1st Edition
ISBN: 9781938168048
College Physics For Ap® Courses
16th Edition
ISBN: 9781938168932
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