Solutions for Physics
Problem 1OQ:
A skier starts at the top of a hill. On which run does her gravitational potential energy change the...Problem 1Q:
In what ways is the word “work’' as used in everyday language the same as it is defined in physics?...Problem 5Q:
You have two springs that are identical except that spring 1 is stiffer than spring 2 (k1 > k2). On...Problem 8Q:
A hand exerts a constant horizontal force on a block that is free to slide on a frictionless surface...Problem 9Q:
You lift heavy book from a table to a high shelf. List the forces on the book during this process,...Problem 10Q:
A hill has a height h. A child on a sled (total mass m) slides down starting from rest at the top....Problem 11Q:
Analyze the motion of a simple swinging pendulum in terms of energy, (a) ignoring friction, and (b)...Problem 12Q:
In Fig. 6-31, water balloons are tossed from the roof of a building, all with the same speed but...Problem 13Q:
What happens to the gravitational potential energy when water at the top of a waterfall falls to the...Problem 14Q:
Experienced hikers prefer to step over a fallen log in their path rather than stepping on top and...Problem 15Q:
The energy transformations in pole vaulting and archery are discussed in this Chapter. In a similar...Problem 17Q:
17. Two identical arrows, one with twice the speed of the other, are fired into a bale of hay....Problem 20Q:
Describe the energy transformations that take place when a skier starts skiing down a hill, but...Problem 3MCQ:
When the speed of your car is doubled, by what factor does its kinetic energy increase? a. 2 . b. 2....Problem 2P:
The head of a hammer with a mass of 1.2 kg is allowed to fall onto a nail from a height of 0.50 m....Problem 3P:
How much work did the movers do (horizontally) pushing a 46.0-kg crate 10.3 m across a rough floor...Problem 4P:
A 1200-N crate rests on the floor. How much work is required to move it at constant speed (a) 5.0 m...Problem 5P:
What is the minimum work needed to push a 950-kg car 710 m up along a 9.0° incline? Ignore friction.Problem 6P:
Estimate the work you do to mow a lawn 10 m by 20 m with a 50-cm-wide mower. Assume you push with a...Problem 7P:
In a certain library the first shelf is 15.0 cm off the ground, and the remaining four shelves are...Problem 8P:
A lever such as that shown in Fig. 6-35 can be used to lift objects we might not otherwise be able...Problem 9P:
A box of mass 4.0 kg is accelerated from rest by a force across a floor at a rate of 2.0 m/s2 for...Problem 10P:
A 380-kg piano slides 2.9 m down a 25° incline and is kept from accelerating by a man who is pushing...Problem 11P:
Recall from Chapter 4, Example 4-14, that you can use a pulley and ropes lo decrease the force...Problem 12P:
A grocery cart with mass of 16 kg is being pushed at constant speed up a 12o ramp by a force Fpwhich...Problem 13P:
The force on a particle, acting along the x axis, varies as shown in Fig. 6-38. Determine the work...Problem 14P:
A 17,000-kg jet takes off from an aircraft carrier via a catapult (Fig. 6-39a). The gases thrust out...Problem 15P:
At room temperature, an oxygen molecule, with mass of 5.31 x 10-26 kg, typically has a kinetic...Problem 16P:
(a) If the kinetic energy of a particle is tripled, by what factor has its speed increased? (b) If...Problem 17P:
How much work is required to stop an electron (m=9.111031kg) which is moving with a speed of...Problem 20P:
A baseball (m = 145 g) traveling 32 m/s moves a fielder’s glove backward 25 cm when the ball is...Problem 24P:
24. (Ill) One car has twice the mass of a second car, but only half as much kinetic energy. When...Problem 25P:
25. (Ill) A 265-kg load is lifted 18.0 m vertically with an acceleration a = 0.160 g by a single...Problem 26P:
26. (I) By how much does the gravitational potential energy of a 54-kg pole vaulter change if her...Problem 27P:
A spring has a spring constant k of 88.0 N/m. How much must this spring be compressed to store 45.0...Problem 29P:
29. (II) A 66.5-kg hiker starts at an elevation of 1270 m and climbs to the top of a peak 2660 m...Problem 31P:
A novice skier starting from rest, slides down an icy frictionless 8.0° incline whose vertical...Problem 32P:
32. (I) Jane, looking for Tarzan, is running at top speed (5.0 m/s) and grabs a vine hanging...Problem 33P:
A sled is initially given a shove up a frictionless 23.0° incline. It reaches a maximum vertical...Problem 35P:
35. (II) A spring with k=83 N/m hangs vertically next to a ruler. The end of the spring is next to...Problem 42P:
42. (II) What should be the spring constant k of a spring designed to bring a 1200-kg car to rest...Problem 43P:
43. (Ill) An engineer is designing a spring to be placed at the bottom of an elevator shaft. If the...Problem 45P:
45. (III) A cyclist intends to cycle up a 7.50° hill whose vertical height is 125 m. The pedals turn...Problem 52P:
52. (II) You drop a ball from a height of 2.0 m, and it bounces back to a height of 1.6 m. (a) What...Problem 53P:
53. (II) A 66-kg skier starts from rest at the top of a 1200-m-long trail which drops a total of 230...Problem 54P:
54. (II) A projectile is fired at an upward angle of 38.0° from the top of a 135-m-high cliff with a...Problem 55P:
55. (II) The Lunar Module could make a safe landing if its vertical velocity at impact is 3.0 m/s or...Problem 56P:
56. (III) Early test flights for the space shuttle used a “glider” (mass of 980 kg including pilot)....Problem 57P:
How long will It take a 2750-W motor to lift a 385-kg piano to a sixth-story window 16.0 m above?Problem 58P:
58. (I) (a) Show that one British horsepower (550 ft . Ib/s) is equal to 746 W. (b) What is the...Problem 59P:
An 85-kg football player traveling 5.0 m/s is stopped in 1.0 s by a tackier. (a) What is the...Problem 62P:
A shot-putter accelerates a 7.3-kg shot from rest to 14 m/s in 1.5 s. What average power was...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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