Solutions for Physics
Problem 1OQ:
A solid ball and a solid cylinder roll down a ramp. They both start from rest at the same time and...Problem 1Q:
A bicycle odometer (which counts revolutions and is calibrated to report distance traveled) is...Problem 4Q:
Why is it more difficult to do a sit-up with your hands behind your head than when your arms are...Problem 5Q:
If the net force on a system is zero, is the net torque also zero? If the net torque or a system is...Problem 6Q:
Mammals that depend on being able to run fast have slender lower legs with flesh and muscle...Problem 7Q:
This book has three symmetry axes through its center, all mutually perpendicular. The book’s moment...Problem 8Q:
Can the mass of a rigid object be considered concentrated at its cm for rotational motion? Explain.Problem 9Q:
The moment of inertia of a rotating solid disk about an axis through its cm is 12MR2(Fig. 8-20c)....Problem 10Q:
Two inclines have the same height but make different angles with the horizontal. The same steel ball...Problem 11Q:
Two spheres look identical and have the same mass. However, one is hollow and the other is solid....Problem 12Q:
A sphere and a cylinder have the same radius and the same mass. They start from rest at the top of...Problem 15Q:
15. Can the diver of Fig. 8-28 do a somersault without having any initial rotation when she leaves...Problem 16Q:
When a motorcyclist leaves the ground on a jump and leaves the throttle on (so the rear wheel...Problem 18Q:
18. The angular velocity of a wheel rotating on a horizontal axle points west. In what direction is...Problem 19Q:
19. In what direction is the Earth's angular velocity vector as it rotates daily about its axis,...Problem 20Q:
20. ‘On the basis of the law of conservation of angular momentum, discuss why a helicopter must have...Problem 1MCQ:
Bonnie sits on the outer rim of a merry-go-round, and Jill sits midway between the center and the...Problem 13MCQ:
Suppose you are sitting on a rotating stool holding a 2-kg mass in each outstretched hand. If you...Problem 1P:
Express the following angles in radians: (a) 45.0o, (b) 60.0o, (c) 90.0o,(d) 360.0o, and (e) 445o....Problem 2P:
The Sun subtends an angle of about 0.5° to us on Earth, 150 million km away. Estimate the radius of...Problem 3P:
A laser beam is directed at the Moon, 380,000 km from Earth. The beam diverges at an angle? (Fig....Problem 4P:
The blades in a blender rotate at a rate of 6500 rpm. When the motor is turned off during operation,...Problem 5P:
5. (II) The platter of the hard drive of a computer rotates at 7200 rpm (rpm = revolutions per...Problem 7P:
(a) A grinding wheel 0.35 m in diameter rotates at 2200 rpm. Calculate its angular velocity in...Problem 9P:
Calculate the angular velocity (a) of a clock's second hand, (b) its minute hand; and (c) its hour...Problem 11P:
What is the linear speed, due to the Earth's rotation, of a point (a) on the equator, (b) on the...Problem 13P:
How fast (in rpm) must a centrifuge rotate ifa particle 8.0 cm from the axis of rotation is to...Problem 17P:
An automobile engine slows down from 3500 rpm to 1200 rpm in 2.5 s. Calculate (a) its angular...Problem 18P:
18. (I) A centrifuge accelerates uniformly from rest to 15,000 rpm in 240 s. Through how many...Problem 21P:
A wheel 31 cm in diameter accelerates uniformly from 240 rpm to 360 rpm in 6.8 s. How far will a...Problem 24P:
A 52-kg person riding a bike puts all her weight on each pedal when climbing a hill. The pedals...Problem 25P:
Calculate the net torque about the axle of the wheel shown in Fig. 8-42. Assume that a friction...Problem 26P:
A person exerts a horizontal force of 42 N on the end of a door 96 cm wide. What is the magnitude of...Problem 28P:
The bolts on the cylinder head of an engine require tightening to a torque of 95 m.N. If a wrench is...Problem 29P:
Determine the net torque on the 2.0-m-long uniform beam shown in Fig. 8-45. All forces are shown....Problem 30P:
Determine the moment of inertia of a 10.8-kg sphere of radius 0.648 m when the axis of rotation is...Problem 31P:
31. (I) Estimate the moment of inertia of a bicycle wheel 67 cm in diameter. The rim and tire have a...Problem 32P:
A merry-go-round accelerates from rest to 0.68 rad/s in 34 s. Assuming the merry-go-round is a...Problem 34P:
(II) A grinding wheel is a uniform cylinder with a radius of 8.50 cm and a mass of 0.380 kg....Problem 44P:
A centrifuge rotor rotating at 9200 rpm is shut off and is eventually brought uniformly to rest by a...Problem 45P:
45. (II) To get a flat, uniform cylindrical satellite spinning at the correct rate, engineers fire...Problem 46P:
46. (Ill) Two blocks are connected by a light string passing over a pulley of radius 0.15 m and...Problem 47P:
47 (III) An Atwood machine consists of two masses, mA =65 kg and mB = 75 kg, connected by a massless...Problem 48P:
A hammer thrower accelerates the hammer (mass =7.30 kg) from rest within four full turns...Problem 49P:
49. (I) An automobile engine develops a torque of 265 m.N at 3350 rpm. What is the horsepower of the...Problem 50P:
A centrifuge rotor has a moment of inertia of 325 10 2 kg. m 2 How much energy is required to bring...Problem 60P:
What is the angular momentum of a 0.270-kg ball revolving on the end of a thin string in a circle of...Problem 61P:
(a) What is the angular momentum of a 2.8-kg uniform cylindrical grinding wheel of radius 28 cm when...Problem 67P:
A person of mass 75 kg stands at the center of a rotating merry-go-round platform of radius 3.0 m...Problem 82GP:
Figure 8-59 illustrates an H20 molecule The O — H bond length is 0.096 nm and the H — O — H bonds...Problem 83GP:
A hollow cylinder (hoop) is rolling on a horizontal surface at speed v = 3.0 m/s when it reaches a...Problem 91GP:
A large spool of rope rolls on the ground with the end of the rope lying on the top edge of the...Problem 92GP:
The Moon orbits the Earth such that the same side always faces the Earth. Determine the ratio of the...Browse All Chapters of This Textbook
Chapter 1 - Introduction, Measurement, EstimatingChapter 2 - Describing Motion: Kinematics In One DimensionChapter 3 - Kinematics In Two Dimensions; VectorsChapter 4 - Dynamics: Newton's Laws Of MotionChapter 5 - Circular Motion; GravitationChapter 6 - Work And EnergyChapter 7 - Linear MomentumChapter 8 - Rotational MotionChapter 9 - Static Equilibrium; Elasticity And FractureChapter 10 - Fluids
Chapter 11 - Oscillations And WavesChapter 12 - SoundChapter 13 - Temperature And Kinetic TheoryChapter 14 - HeatChapter 15 - The Laws Of ThermodynamicsChapter 16 - Electric Charge And Electric FieldChapter 17 - Electric PotentialChapter 18 - Electric CurrentsChapter 19 - Dc CircuitsChapter 20 - MagnetismChapter 21 - Electromagnetic Induction And Faraday's Law For Accuracy Before Use.Chapter 22 - Electromagnetic WavesChapter 23 - Light: Geometric OpticsChapter 24 - The Wave Nature Of LightChapter 25 - Optical InstrumentsChapter 26 - The Special Theory Of RelativityChapter 27 - Early Quantum Theory And Models Of The AtomChapter 28 - Quantum Mechanics Of AtomsChapter 29 - Molecules And SolidsChapter 30 - Nuclear Physics And RadioactivityChapter 31 - Nuclear Energy; Effects And Uses Of RadiationChapter 32 - Elementary ParticlesChapter 33 - Astrophysics And Cosmology
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Elegant, engaging, exacting, and concise, Giancoli's Physics: Principles with Applications with MasteringPhysics �, Seventh Edition, helps students view the world through eyes that know physics. Giancoli's text is a trusted classic, known for its elegant writing, clear presentation, and quality of content. Starting with concrete observations and experiences students can relate to, the text then moves on to the great generalizations of physics. This approach demonstrates why we believe what we believe and reflects the way science is practiced. Written with the goal of giving students a thorough understanding of all of the basic concepts of physics, the text uses interesting applications to biology, medicine, architecture, and digital technology to show students how useful physics is in their own everyday lives and in their future professions. This package consists of:- Books a la Carte for Physics: Principles with Applications, Seventh Edition
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Sample Solutions for this Textbook
We offer sample solutions for Physics homework problems. See examples below:
Formula Used: 1 m=100 cm Calculation: 1 m3= 1 m × 1 m × 1 m1m3=1 m × ( 100cmm)×1 m × ( 100cmm)×1 m ×...Chapter 2, Problem 1OQChapter 3, Problem 1OQChapter 4, Problem 1OQChapter 5, Problem 1OQChapter 6, Problem 1OQChapter 7, Problem 1OQChapter 8, Problem 1OQTorque can be understood as a force that tends to cause rotation. τ=r×F=rFsinθ Weight of the diver...
Gauge pressure P at the bottom of the container is given by, P=hρg Where h→ height of column of...Given: Mass of the pendulum, m Length of the string, l The angle of the string from the vertical,...When pianist plays the note “middle C,” the speed of the wave in the string is define as v=l×f Here,...A. Temperature is higher inside the balloon. This is the basic principle on which a hot-air balloon...Explanation:Given:cpa is the specific heat of iron which is 460 J/kgk cpb is the specific heat of...There is no power plant that can convert all heat energy in to useful work, there will be some loss....Given: Charge on both the sphere is same, q1=q2=q Initial separation distance, r Final separation...Given data: Given options It remains unchanged It decreases It increases There is no potential...The resistance of a cylindrical conductor is given by: R = R=ρlA , where ρ is resistivity, l is the...Given: All the elements are identical in both the circuits. Circuit diagram Figure 1 Formula used:...Static Electric charge will not experience any force because according to the Lorentz relation...when the bar magnet is inserted down into the coil of wire, magnetic flux linked with the changes,...Since, radio waves and X-rays both are lying in electromagnetic spectrum, so they are traveling...The mirror must be at least half as tall person standing in front of it. As given, person is 2.0 m...Light waves get reflected from the top and bottom surfaces of the thin oil or soap film which add up...The cone spacing of human eye is very small. Hence maximum useful magnification due to diffraction...Given: A rocket headed away from the earth with the speed of 0.80 c and it fires a small payload at...Light behaves as a wave: It is proved experimentally light behaves all the properties of a wave....The principle of uncertainty is given by the Heisenberg in 1927. He stated that it’s impossible to...We will discuss each of the options. Gravitational force Since the mass of the atoms of the solid is...Given: Half -life of C2760O, t1/2 = 5.3 years Initial weight of C2760O, N0= 80µg Formula used: Half...Nuclear fusion is defined as a reaction in which two or more smaller nuclei come close together to...Fundamental particles are the elementary building blocks of matter. These building blocks do not...Option a is wrong since, there is no frictional force present. The second law of thermodynamics...
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