Modern Physics, 2/e2nd EditionRandy Harris Publisher: PEARSONISBN: 9789332570962
Modern Physics, 2/e
Solutions for Modern Physics, 2/e
Problem 1CQ:
Explain to your friend, who is willing to accept that light moves at the same speed in any frame,...Problem 2CQ:
A friend says, “It makes no sense that Anna could turn on lights in her hands simultaneously in her...Problem 4CQ:
You are gliding over Earth’s surface at a high speed, carrying your highprecision clock. At points X...Problem 5CQ:
A thin plate has a round hole whose diameter in its rest frame is D. The plate is parallel to the...Problem 6CQ:
In the twin paradox situation, a fellow student objects to the argument that Anna’s acceleration is...Problem 7CQ:
Does the asymmetric aging of an Earthbound observer and his twin who travels away and back demand...Problem 8CQ:
You are floating in space when you notice a flying saucer circling you. Each time it passes in front...Problem 10CQ:
A relativity enthusiast says, “If E=mc2 and energy is conserved, then mass is conserved.” How do you...Problem 13CQ:
Two objects isolated from the rest of the universe collide and stick together. Does the system’s...Problem 14CQ:
Particles of light have no mass. Does the Sun’s mass change as a result of all the light it emits?...Problem 16CQ:
In a television picture tube, a beam of electrons is sent from the back to the front (screen) by an...Problem 18E:
Verify that the special case x=vt,x=0 leads to equation (26) when inserted in linear transformations...Problem 19E:
If an object actually occupies less space physically when moving, it cannot depend on the direction...Problem 20E:
Through a window in Carl’s spaceship, passing at 0.5c, you watch Carl doing an important physics...Problem 21E:
According to an observer on Earth, a spacecraft whizzing by at 0.6c is 35 m long. What is the length...Problem 22E:
According to Bob on Earth, Planet Y (uninhabited) is 5 ly away. Anna is in a spaceship moving away...Problem 23E:
Anna is on a railroad flatcar moving at 0.6c relative to Bob. (Their clocks read 0 as Anna’s center...Problem 24E:
A polevaulter holds a 16 ft. pole. A barn has doors at both ends, 10 ft. apart. The polevaulter on...Problem 25E:
Anna and Bob are in identical spaceships, each 100 m long. The diagram shows Bob’s view as Anna’s...Problem 26E:
Bob is watching Anna fly by in her new highspeed plane, which Anna knows to be 60 m in length. As a...Problem 27E:
Rob and Bob Jr. stand at open doorways at opposite ends of an airplane hangar 25 m long. Anna owns a...Problem 28E:
The diagram shows Bob’s view of the passing of two identical spaceships. Anna’s and his own, where...Problem 29E:
Refer to Figure 2.18. (a) How long is a spaceship? (b) At what speed do the ships move relative to...Problem 30E:
You are in a bus traveling on a straight road at 20 m/s. As you pass a gas station, your clock and a...Problem 31E:
A spaceship travels at 0.8c. As this spaceship covers the 4000 km from coast to coast, by how much...Problem 32E:
You are on a highspeed train, traveling at a decent clip: 0.8c. On the ground are two signal...Problem 33E:
A famous experiment detected 527 muons per hour at the top of Mt. Washington. New Hampshire,...Problem 34E:
In the frame in which they are at rest, the number of muons at time t is given by N=N0et/ where N0...Problem 35E:
A supersonic plane travels at 420 m/s. As this plane passes two markers a distance of 4.2 km apart...Problem 37E:
According to Bob, on Earth, it is 20 ly to Planet Y. Anna has just passed Earth, moving at a...Problem 38E:
A plank, fixed to a sled at rest in frame S, is of length L0 and makes an angle of 0 with the xaxis....Problem 39E:
Bob in frame S, is observing the moving plank of Exercise 38. He quickly fabricates a wall, fixed in...Problem 40E:
An experimenter determines that a particle created at one end of the laboratory apparatus moved at...Problem 41E:
A muon has a mean lifetime of 2.2s in its rest frame. Suppose muons are traveling at 0.92c relative...Problem 42E:
A pion is an elementary particle that, on averages disintegrates 2.6108s after creation in a frame...Problem 43E:
Anna and Bob have identical spaceships 60 m long. The diagram shows Bob’s observations of Anna’s...Problem 44E:
Demonstrate that equations (212) and (213) become the classical transformation equations (21) when...Problem 45E:
Planet W is 12 ly from Earth. Anna and Bob are both 20 yr old. Anna travels to Planet W at 0.6c,...Problem 46E:
Anna and Bob are both born just as Anna’s spaceship passes Earth at 0.9c. According to Bob on Earth,...Problem 47E:
Consider Anna, Bob, and Carl in the twin paradox. (a) According to Anna, when Planet X passes her,...Problem 48E:
You stand at the center of your 100 m spaceship and watch Anna’s identical ship pass at 0.6c. At t=0...Problem 49E:
From a standstill, you begin jogging at 5 m/s directly toward the galaxy Centaurus A, which is on...Problem 50E:
A meterstick is glued to the wall with its 100 cm end farther to the right, in the positive...Problem 52E:
By what factor would a star’s characteristic wavelengths of light be shifted if it were moving away...Problem 53E:
At rest, a light source emits 532 nm light. (a) As it moves along the line connecting it and Earth,...Problem 54E:
The light from galaxy NGC 221 consists of a recognizable spectrum of wavelengths. However, all are...Problem 55E:
A space probe has a powerful light beacon that emits 500 nm light in its own rest frame. Relative to...Problem 58E:
To catch speeders, a police radar gun detects the beat frequency between the signal it emits and...Problem 59E:
Bob is on Earth. Anna is on a spacecraft moving away from Earth at 0.6c. At some point in Anna’s...Problem 60E:
According to Anna, on Earth, Bob is on a spaceship moving at 0.8c toward Earth, and Carl, a little...Problem 61E:
Prove that if v and u are less than c, it is impossible for a speed u greater than c to result from...Problem 62E:
In a particle collider experiment, particle 1 is moving to the right at 0.99c and particle 2 to the...Problem 63E:
A light beam moves in the xyplane and has an xcomponent of velocity of ux , (a) In terms of ux and...Problem 64E:
A light beam moves at an angle ? with the xaxis as seen from frame S. Using the relativistic...Problem 65E:
You tire a light signal at 60° north of west. (a) Find the velocity components of this signal...Problem 66E:
At t=0 , a bright beacon at the origin flashes, sending light uniformly in all directions. Anna is...Problem 68E:
By applying the relativistic velocity transformation to the left side of equation (223) and using...Problem 71E:
What would be the internal energy, kinetic energy, and total energy of a 1 kg block moving at 0.8c?Problem 72E:
By how much (in picograms) does the mass of 1 mol of ice at 0°C differ from that of 1 mol of water...Problem 74E:
A typical household uses 500 kWh of energy in 1 month. How much mass is converted to produce this...Problem 78E:
Show that the relativistic expression for kinetic energy (u1)mc2 is equivalent to the classical...Problem 79E:
At Earth’s location, the intensity of sunlight is 1.5kW/m2 . 1f no energy escaped Earth, by how much...Problem 84E:
How much work must be done to accelerate an electron (a) from 0.3c to 0.6c and (b) from 0.6c to...Problem 85E:
An electron accelerated from rest through a potential difference V acquires a speed of 0.9998c. Find...Problem 87E:
A proton is accelerated from through a potential difference of 500 MV (a) What is its speed? (b)...Problem 88E:
xzA particle of mass m0 moves the lab at 0.6c. Suddenly it explodes into two fragments. Fragment 1,...Problem 89E:
89. The boron14 nucleus (mass: 14.02266 u) “beta decays,” spontaneously becoming an electron (mass:...Problem 90E:
A 3.000 u object moving to the right through a laboratory at 0.8c collides with a 4.000 u object...Problem 91E:
A 10 kg object is moving to the right at 0.6c. It explodes into two pieces, one of mass m1 moving...Problem 92E:
Particle 1, of mass m1 , moving at 0.8c relative to the lab, collides headon with particle 2, of...Problem 93E:
Consider the collisions of two identical particles, each of mass m0 . In experiment A, a particle...Problem 94E:
A kaon (denoted K0 ) ¡s an unstable particle mass 8.871028kg . One of the means by which it decays...Problem 95E:
In the frame of reference shown, a stationary particle of mass m0 explodes into two identical...Problem 97E:
Show that E2=p2c2+m2c4 follows from expressions (2-22) and (2-24) for momentum and energyin terms of...Problem 98E:
Equation (2-30) is an approximation correct only if the gravitational time-dilation effect is small....Problem 99E:
According to an observer at Earth’s equator, by howmuch would his clock and one on a satellite in...Problem 100E:
If it is fundamental to nature that a given mass has acritical radius at which something...Problem 102E:
Suppose particles begin moving in one dimension away from the origin at t=0 with the following...Problem 104E:
From the Lorentz transformation equations, show that iftime intervals between two events, t and t ,...Problem 105E:
(a) Determine the Lorentz transformation matrix givingposition and time in frame S’ from those in...Problem 106E:
For the situation given in Exercise 22, find the Lorentz transformation matrix from Bob’s frame to...Problem 107E:
Show that equation (236) follows from the arbitrary four-vector Lorentz transformation equations...Problem 108E:
A 1 kg object moves at 0.8crelative to Earth. (a) Calculate the momentum and energy of the object....Problem 109E:
From p=umu (i.e., px=umux , py=umuy , and pz=umuz ), the relativistic velocity transformation (220),...Problem 111E:
An object of mass 3m0 moves to the right at 0.8c.(a) Calculate its momentum and energy. (b) Using...Problem 113CE:
Derive the following expressions for the components of acceleration of an object, ax and ay , in...Problem 114CE:
(a) Determine the Lorentz transformation matrix giving position and time in frame S from those in...Problem 115CE:
A point charge +q rests halfway between two steady streams of positive charge of equal charge per...Problem 118CE:
A rocket maintains a constant thrust F, giving it an acceleration of g (i.e., 9.8m/s2 ). (a) If...Browse All Chapters of This Textbook
Chapter 2 - Special RelativityChapter 3 - Waves And Particles I: Electromagnetic Radiation Behaving As ParticlesChapter 4 - Waves And Particles Ii: Matter Behaving As WavesChapter 5 - Bound States: Simple CasesChapter 6 - Unbound States: Steps, Tunneling, And Particle-wave PropagationChapter 7 - Quantum Mechanics In Three Dimensions And The Hydrogen AtomChapter 8 - Spin And Atomic PhysicsChapter 9 - Statistical MechanicsChapter 10 - Bonding: Molecules And SolidsChapter 11 - Nuclear Physics
Sample Solutions for this Textbook
We offer sample solutions for Modern Physics, 2/e homework problems. See examples below:
Chapter 2, Problem 1CQIntroduction: Thermal equilibrium is a state of equilibrium in which the temperature of both the...Whiledoing the experimental setup of the double slit experiment, it is important to care that the...Stationary state often regarded as the standing state is not just a particle that is at rest state...The Barrier’s potential U(x) and particle’s energy E.The figure is not representingthe particle in...A number which labels possible values of conserved physical quantities like momentum or energy is...Chapter 8, Problem 1CQIn thermodynamics, the variables like, Temperature, Pressure, Volume, Entropy and Heat capacity etc....Introduction: An electron’s kinetic energy for n=1 or n=2 atomic state in an individual well is a...
More Editions of This Book
Corresponding editions of this textbook are also available below:
Modern Physics
2nd Edition
ISBN: 9781292023267
Modern Physics
2nd Edition
ISBN: 9780805303087
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