Solutions for Conceptual Physics (12th Edition)
Problem 2RCQ:
On a rotating turntable, does tangential speed or rotational speed vary with distance from the...Problem 3RCQ:
A tapered cup rolled on a flat surface makes a circular path. What does this tell you about the...Problem 4RCQ:
How does the tapered rim of a wheel on a railroad train allow one part of the rim to have a greater...Problem 6RCQ:
6. Inertia depends on mass; rotational inertia depends on mass and something else. What?
Problem 7RCQ:
7. As distance increases between most of the mass of an object and its center of rotation, does...Problem 8RCQ:
8. Consider three axes of rotation for a pencil: along the lead, at right angles to the lead at the...Problem 9RCQ:
9. Which is easier to get swinging: a baseball bat held at the narrow end or a bat held closer to...Problem 10RCQ:
Why does bending your legs when running enable you to swing your legs to and fro more rapidly?Problem 11RCQ:
11. Which will have the greater acceleration rolling down an incline: a hoop or a solid disk?
Problem 12RCQ:
12. What does a torque tend to do to an object?
Problem 13RCQ:
13. What is meant by the “lever arm” of a torque?
Problem 15RCQ:
15. If you toss a stick into the air, it appears to wobble all over the place. Specifically, about...Problem 17RCQ:
17. If you hang at rest by your hands from a vertical rope, where is your center of gravity with...Problem 18RCQ:
Where is the center of mass of a hollow soccer ball?Problem 19RCQ:
19. What is the relationship between the center of gravity and the support base for an object that...Problem 20RCQ:
20. Why doesn’t the Leaning Tower of Pisa topple over?
Problem 21RCQ:
21. In terms of center of gravity, support base, and torque, why can’t you stand with your heels and...Problem 22RCQ:
22.When you whirl a can at the end of a string in a circular path, what is the direction of the...Problem 23RCQ:
23. Is it an inward force or an outward force that is exerted on the clothes during the spin cycle...Problem 24RCQ:
24. If the string that holds a whirling can in its circular path breaks, what kind of force causes...Problem 25RCQ:
25. If you are not wearing a seat belt in a car that rounds a curve, and you slide across your seat...Problem 30RCQ:
If a skater who is spinning pulls her arms in so as to reduce her rotational inertia by half, by how...Problem 31RCQ:
Contact Grandpa and tell him how you’re learning to distinguish between closely related concepts,...Problem 38RCQ:
Torque = lever arm × force
38. Calculate the torque produced by a 50-N perpendicular...Problem 39RCQ:
39. Calculate the torque produced by the same 50-N force when a pipe extends the length of the...Problem 41RCQ:
41. Calculate the force of friction that keeps an 80-kg person sitting on the edge of a horizontal...Problem 43RCQ:
43. If a persons speed doubles and all else remains the same, what will be the person’s angular...Problem 44RCQ:
44. The diameter of the base of a tapered drinking cup is 6 cm. The diameter of its mouth is 9 cm....Problem 45RCQ:
To tighten a bolt, you push with a force of 80 N at the end of a wrench handle that is 0.25 m from...Problem 46RCQ:
46. The rock and meterstick balance at the 25-cm mark, as shown in the sketch. The meterstick has a...Problem 47RCQ:
In one of the photos at the beginning of this chapter, Mary Beth uses a torque feeler that consists...Problem 48RCQ:
48. An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a...Problem 49RCQ:
49. If a trapeze artist rotates once each second while sailing through the air and contracts to...Problem 50RCQ:
A small space telescope at the end of a tether line of length L moves at linear speed v about a...Problem 51RCQ:
51. The three cups are rolled on a level surface. Rank the cups by how far they depart from a...Problem 52RCQ:
52. Three types of rollers are placed on slightly inclined parallel meterstick tracks as shown. From...Problem 53RCQ:
53. Beginning from a rest position, a solid disk A, a solid ball B, and a hoop C race down an...Problem 54RCQ:
54. You hold a meterstick at one end with the same mass suspended at the opposite end. Rank the...Problem 55RCQ:
55. Three physics majors in good physical shape stand with their backs against a wall. Their task is...Problem 59RCQ:
59. The wheels of railroad trains are tapered, a feature especially important on curves. How, if at...Problem 61RCQ:
61. The front wheels of a racing vehicle are located far out in front to help keep the vehicle from...Problem 62RCQ:
62. Which will have the greater acceleration rolling down an incline: a bowling ball or a...Problem 64RCQ:
64. Is the net torque changed when a partner on a seesaw stands or hangs from her end instead of...Problem 66RCQ:
66. When you pedal a bicycle, maximum torque is produced when the pedal sprocket arms are in the...Problem 71RCQ:
71. Explain why a long pole is more beneficial to a tightrope walker if the pole droops.
Problem 79RCQ:
79. The centers of gravity of the three trucks parked on a hill are shown by the Xs. Which truck(s)...Problem 83RCQ:
83. When you are in the front passenger seat of a car turning to the left, you may find yourself...Problem 87RCQ:
87. The occupant inside a rotating space habitat of the future feels that she is being pulled by...Problem 89RCQ:
A motorcyclist is able to ride on the vertical wall of a bowl-shaped track as shown. Friction of the...Problem 90RCQ:
90. The sketch shows a conical pendulum. The bob swings in a circular path. The tension T and weight...Problem 94RCQ:
94. If all of Earth’s inhabitants moved to the equator, how would this affect Earth’s rotational...Problem 96RCQ:
If the world’s populations moved to the North Pole and the South Pole, would the 24-hour day become...Problem 98RCQ:
98. Why does a typical small helicopter with a single main rotor have a second small rotor on its...Problem 99RCQ:
99. We believe that our galaxy was formed from a huge cloud of gas. The original cloud was far...Problem 104RCQ:
104.When a car drives off a cliff it rotates forward as it falls. For a higher speed off the cliff,...Problem 106RCQ:
106. Discuss how a ramp would help you to distinguish between two identical-looking spheres of the...Problem 107RCQ:
107. Which will roll down an incline faster: a can of water or a can of ice? Discuss and explain.
Problem 109RCQ:
109. A youngster who has entered a soapbox derby (in which four-wheel, unpowered vehicles roll from...Problem 110RCQ:
110. The spool is pulled in three ways, as shown. There is sufficient friction for rotation. In what...Problem 111RCQ:
111. Nobody at the playground wants to play with the obnoxious boy, so he fashions a seesaw as shown...Problem 112RCQ:
112. How can the three bricks be stacked so that the top brick has maximum horizontal displacement...Problem 113RCQ:
113. A long track balanced like a seesaw supports a golf ball and a more massive billiard ball with...Problem 114RCQ:
With respect to Diana’s finger, where is the center of mass of the plastic bird? Discuss how this...Browse All Chapters of This Textbook
Chapter 1 - About ScienceChapter 2 - Newton's First Law Of Motion - InertiaChapter 3 - Linear MotionChapter 4 - Newton's Second Law Of MotionChapter 5 - Newton's Third Law Of MotionChapter 6 - MomentumChapter 7 - EnergyChapter 8 - Rotational MotionChapter 9 - GravityChapter 10 - Projectile And Satellite Motion
Chapter P1 - MechanicsChapter 11 - The Atomic Nature Of MatterChapter 12 - SolidsChapter 13 - LiquidsChapter 14 - GasesChapter P2 - Properties Of MatterChapter 15 - Temperature, Heat And ExpansionChapter 16 - Heat TransferChapter 17 - Change Of PhaseChapter 18 - ThermodynamicsChapter P3 - HeatChapter 19 - Vibration And WavesChapter 20 - SoundChapter 21 - Musical SoundsChapter P4 - SoundChapter 22 - ElectrostatisticsChapter 23 - Electric CurrentChapter 24 - MagnetismChapter 25 - Electromagnetic InductionChapter P5 - Electricity And MagnetismChapter 26 - Properties Of LightChapter 27 - ColorChapter 28 - Reflection And RefractionChapter 29 - Light WavesChapter 30 - Light EmmissionChapter P6 - LightChapter 31 - Light QuantaChapter 32 - The Atom And The QuantumChapter 33 - The Atomic Nucleus And RadioactivityChapter 34 - Nuclear Fission And FusionChapter P7 - Atomics And Nuclear PhysicsChapter 35 - Special Theory Of RelativityChapter 36 - General Theory Of RelativityChapter P8 - Relativity
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MasteringPhysicsis not a self-paced technology and should only be purchased when required by an instructor.
Conceptual Physics with MasteringPhysics , Twelfth Edition Paul Hewitt integrates a compelling text and the most advanced media to make physics interesting, understandable, and relevant for non-science majors. The Twelfth Edition will delight you with informative and fun Hewitt-Drew-It screencasts, updated content, applications, and new learning activities in MasteringPhysics.
MasteringPhysicsis not a self-paced technology and should only be purchased when required by an instructor.
Conceptual Physics with MasteringPhysics , Twelfth Edition Paul Hewitt integrates a compelling text and the most advanced media to make physics interesting, understandable, and relevant for non-science majors. The Twelfth Edition will delight you with informative and fun Hewitt-Drew-It screencasts, updated content, applications, and new learning activities in MasteringPhysics.
Hewitt’s text is guided by the principle of "concepts before calculations" is famous for engaging students with analogies and imagery from the real-world that build a strong conceptual understanding of physical principles ranging from classical mechanics to modern physics.
This program presents a better teaching and learning experience–for you.
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Sample Solutions for this Textbook
We offer sample solutions for Conceptual Physics (12th Edition) homework problems. See examples below:
Science is an ongoing human activity that represents collective efforts, findings, and wisdom of...Chapter 2, Problem 1RCQChapter 3, Problem 1RCQChapter 4, Problem 1RCQChapter 5, Problem 1RCQChapter 6, Problem 1RCQChapter 7, Problem 1RCQChapter 8, Problem 1RCQTwo bodies attract each other in this universe and magnitude of the force is directly proportional...
An object thrown into space with some initial velocity and then allowed to act upon by the forces of...Science is nothing but study of natural phenomenon. Nature has an exact correlation between all its...The idea that matter is composed of atoms was proposed by Democritus, pre-Socratic Greek...The Crystalline substance has some particular arrangement of atoms and molecules that imparts a...The pressure is given by the relation P=FA Here, F is force P is pressure A is area The relation...The gases are continuously roaming in the atmosphere, the ultimate source of energy for all the...Given Two protons and two neutrons are removed from the nucleus of neon-20. Formula used: A=Z+N...The freezing point of water is the temperature at which the water is converted from liquid state to...Chapter 16, Problem 1RCQSolids: Solids have definite shape and size. In solids the intermolecular forces between the atoms...Thermodynamics is the branch of physics that deals with the relationships between heat and other...Temperature determines hotness or coldness of an object or surrounding.All particles within the...A wiggle is described as a to and fro or back and forth movement. So, a wiggle in time or a...Sound is a form of energy only. Sound waves are longitudinal waves having some frequency and...White noise can be described by a flat power spectrum {p(f) = constant},where p(f) is the spectral...Swinging can be compared with the motion of a simple pendulum. The time is taken for a pendulum...Electrostatics (means static electricity) which is defined as follows: “Electrostatic is a branch of...The heat will flow from one object to another only where there is a temperature difference between...In 1820, a Danish physicist Hans Christian Oersted was delivering a lecture on the possibility of...Discovery of electromagnetic induction is one of the greatest scientific achievements of all time...The electrical force between an electron and a proton depends on the magnitude of the charge of each...When magnetic flux linked with a coil is changed an emf is induced. Magnetic flux is the product of...The narrow band of visible light spectrum is detectable by human eye. The wavelength of the visible...When light with a certain frequency is incident on an object it can be absorbed, reflected or...Huygens gave a principle through which we can imagine or geometrically construct the position of a...When the electrons are vibrated for a certain span, some waves are generated. The frequency range of...From the given option, all the waves (light, radio, and X- rays) except sound waves can travel...Given information: There are two theories of light- particle theory and wave theory. Thomas Young...Most of the atoms have empty space inside them. The radius of an atom is about 100000 times greater...In year 1895, when German scientist Rontgen passes the cathode ray beam striking a glass surface, he...In uranium mines, U-235 present in the ore is very less. Only 0.7% of the total uranium present....In an atom there are electrons, protons and neutrons. Neutrons and protons of an atom are normally...Given: Your speed, v1=1 km/hr Speed of train, v2=−60 km/hr (−ve sign is for opposite direction)...Special relativitytheoryEinstein’s special relativitytheory describes the effects of the fact that...In 4D reality, Space-Time is consisting of 3D (Length, Width and Height/Depth) and Time coordinates...
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