1 Interactions And Motion 2 The Momentum Principle 3 The Fundamnetal Interactions 4 Contact Interactions 5 Determining Forces From Motion 6 The Energy Principle 7 Internal Energy 8 Energy Quantization 9 Translational, Rotational, And Vibrational Energy 10 Collisions 11 Angular Momentum 12 Entropy: Limits On The Possible 13 Electric Field 14 Electric Fields And Matter 15 Electric Field Of Distributed Charges 16 Electric Potential 17 Magnetic Field 18 Electric Field And Circuits 19 Circuit Elements 20 Magnetic Force 21 Patterns Of Field In Space 22 Faraday's Law 23 Electromagnetic Radiation expand_more
6.1 The Energy Principle 6.2 Energy Of A Single Particle 6.3 Work: Mechanical Energy Transfer 6.4 Work And Energy 6.5 Change Of Rest Energy 6.6 Proof Of The Energy Principle For A Particle 6.7 Potential Energy In Multiparticle Systems 6.8 Gravitational Potential Energy 6.9 Electric Potential Energy 6.10 Plotting Energy Vs Seperation 6.11 General Properties Of Potential Energy 6.12 The Mass Of A Multiparticle System 6.13 Reflection: Why Energy? 6.14 Identifying Initial And Final States 6.15 Energy In Computational Models 6.16 A Puzzle 6.17 Gradient Of Potential Energy 6.18 Integrals And Antiderivatives 6.19 Approximation For Kinetic Energy 6.20 Finding Expression For Particle Energy 6.21 Finding An Angle From The Dot Product Chapter Questions expand_more
Problem 1Q Problem 2Q: Give brief explanations for your answers to each of the following questions: (a) You hold a 1 kg... Problem 3Q: You pull a block of mass m across a frictionless table with a constant force. You also pull with an... Problem 4Q: One often hears the statement, “Nuclear energy production is fundamentally different from chemical... Problem 5Q: Figure 6.76 shows the path of a comet orbiting a star.
Figure 6.76
(a) Rank-order the locations on... Problem 6Q: Figure 6.77 is a graph of the energy of a system of a planet interacting with a star. The... Problem 7Q: A particle moves inside a circular glass tube under the influence of a tangential force of constant... Problem 8Q: Show the validity of the relation when m ≠ 0, by making these substitutions:
Problem 9P: It is not very difficult to accelerate an electron to a speed that is 99% of the speed of light,... Problem 10P: A pitcher can throw a baseball at about 100 mi/h (about 44 m/s). What is the ratio of the kinetic... Problem 11P: What is the speed of an electron whose total energy is equal to the total energy of a proton that is... Problem 12P: The point of this question is to compare rest energy and kinetic energy at low speeds. A baseball is... Problem 13P: The point of this question is to compare rest energy and kinetic energy at high speeds. An alpha... Problem 14P: A runner whose mass is 60 kg runs in the +x direction at a speed of 7 m/s. (a) What is the kinetic... Problem 15P: A baseball of mass 144 g has a velocity of ⟨22, 23, −11⟩ m/s. What is the kinetic energy of the... Problem 16P: One mole of helium atoms has a mass of 4 grams. If a helium atom in a balloon has a kinetic energy... Problem 17P: You throw a ball of mass 160 g upward (Figure 6.79). When the ball is 2 m above the ground, headed... Problem 18P: A fan cart of mass 0.8 kg initially has a velocity of ⟨0.9, 0, 0⟩ m/s. Then the fan is turned on,... Problem 19P: You push a crate 3 m across the floor with a 40 N force whose direction is 30° below the horizontal.... Problem 20P: You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a... Problem 21P: A 2-kg ball rolls off a 30-m-high cliff, and lands 25 m from the base of the cliff. Express the... Problem 22P: A boat is coasting toward a dock you’re standing on, and as it comes toward you, you push back on it... Problem 23P: A jar of honey with a mass of 0.5 kg is nudged off the kitchen counter and falls 1 m to the floor.... Problem 25P: A constant force ⟨23, −12, 32⟩ N acts through a displacement ⟨0.12, 0.31, −0.24⟩ m. How much work... Problem 26P: One end of a spring whose spring constant is 20 N/m is attached to the wall, and you pull on the... Problem 27P: An electron traveling through a curving wire in an electric circuit experiences a constant force of... Problem 28P: You bring a boat toward the dock by pulling on a rope with a force of 130 N through a distance of 6... Problem 29P: You push a box out of a carpeted room and along a hallway with a waxed linoleum floor. While pushing... Problem 30P: A ball of mass 0.7 kg falls downward, as shown in Figure 6.82. Initially you observe it to be 4.5 m... Problem 31P: A lithium nucleus has mass 5.1 × 10−27 kg. If its speed is 0.984c (that is, ), what are the values... Problem 32P: A space probe in outer space has a mass of 111 kg, and it is traveling at a speed of 29 m/s. When it... Problem 33P: An object with mass 100 kg moved in outer space. When it was at location ⟨9, −24, −4⟩ its speed was... Problem 34P: Outside the space shuttle, you and a friend pull on two ropes to dock a satellite whose mass is 700... Problem 35P: A crate with a mass of 100 kg glides through a space station with a speed of 3.5 m/s. An astronaut... Problem 36P: An object with mass 120 kg moved in outer space from location ⟨11, −24, −5⟩ to location ⟨17, −28,... Problem 37P: An object with mass 120 kg moved in outer space. When it was at location ⟨7, −20, −8⟩ its speed was... Problem 38P: Jack and Jill are maneuvering a 3000 kg boat near a dock. Initially the boat’s position is ⟨2, 0,... Problem 39P: An electron traveling at a speed 0.99c encounters a region where there is a constant electric force... Problem 40P: A mass of 0.12 kg hangs from a vertical spring in the lab room. You grab hold of the mass and throw... Problem 43P Problem 46P: A proton (1.6726 × 10−27 kg) and a neutron (1.6749 × 10−27 kg) at rest combine to form a deuteron,... Problem 47P: Many heavy nuclei undergo spontaneous “alpha decay,” in which the original nucleus emits an alpha... Problem 49P: You throw a ball straight up, and it reaches a height of 20 m above your hand before falling back... Problem 50P: A 1 kg block rests on the Earth’s surface. How much energy is required to move the block very far... Problem 51P: An object with mass 7 kg moves from a location ⟨22, 43, −41⟩ m near the Earth’s surface to location... Problem 52P Problem 53P: Use energy conservation to find the approximate final speed of a basketball dropped from a height of... Problem 54P: Under certain conditions the interaction between a “polar” molecule such as HCl located at the... Problem 55P: (a) A 0.5 kg teddy bear is nudged off a window sill and falls 2 m to the ground. What is its kinetic... Problem 56P: You throw a ball of mass 1.2 kg straight up. You observe that it takes 3.1 s to go up and down,... Problem 57P: Suppose that a pitcher can throw a ball straight up at 100 mi/h (about 45 m/s). Use energy... Problem 58P Problem 59P Problem 60P: The escape speed from an asteroid whose radius is 10 km is only 10 m/s. If you throw a rock away... Problem 61P: The escape speed from a very small asteroid is only 24 m/s. If you throw a rock away from the... Problem 62P Problem 63P: A spacecraft is coasting toward Mars. The mass of Mars is 6.4 × 1023 kg and its radius is 3400 km... Problem 64P Problem 65P Problem 66P: You stand on a spherical asteroid of uniform density whose mass is 2 × 1016 kg and whose radius is... Problem 67P Problem 68P Problem 69P: A pendulum (see Figure 6.84) consists of a very light but stiff rod of length L hanging from a... Problem 70P Problem 71P Problem 72P: Four protons, each with mass M and charge +e, are initially held at the corners of a square that is... Problem 74P format_list_bulleted