Chapter 26 Sources of Magnetic Field 1. Biot-savart's law 2. Magnetic Flux and Gauss'Law 3 Amperes Law 4. Magnetic Materials

The speed of sound Sound waves are longitudinal mechanical waves that can travel through solids, liquids, or gases. The speed of a sound wave in medium(having bulk modulus(容变弹性模量)and density p) is:

Chapter 13 &14 Wave Motion and Sound 1. Simple Harmonic Waves 2. Wave Equation 3. Energy and Power of Waves Interference of Waves Standing Waves 1. The Doppler Effect

Chapter 34Quantum Mechanics 1. Heisenberg Uncertainty Principle 2. Schrodinger's Equation

Chapter 12 Oscillations 1. Concepts of Simple Harmonic Motion 2. Expression Methods of SHM 3. Energy in SHM Pendulums Superposition of Oscillations

爱因斯坦: Albert einstein 现代时空的创始人(1879-1955)

Chapter 25 Magnetism 1. Magnet and Magnetic Field 2. Definition of Magnetic Field 3. Force on an Electric Charge Moving in a Magnetic Field 4. Torque on a Current Loop

Chapter 22Conductor Dielectrics. ElectricEnergy Storage Capacitance Dielectrics Energy Stored in an Electric Field

Chapter 10 11 Rotational Motion About Fixed Axis Torque, Rotational Inertia and Law Work and Rotational Kinetic Energy Angular Momentum and Conservation of Angular Momentum

Chapter 21 Electric Potential 1. Electric Potential and Potential Difference 2. Relation Between Electric Potential and Electric Field 3. The Calculation of Electric Potential 4. Equipotential Surfaces 5. Electrostatic Potential Energy