Simulations and interactive equations

Chapter 1 - Science of Physics
5
Electronic keyboard 8
RGB color interactive simulation 23
Solar power simulation using an array of photovoltaic cells 29

Chapter 2 - Physical Quantities and Measurement
Data graphing tool 59
Solve the distance equation for time 62
Solve the equation v=d/t for time 62
Solve the position equation for initial velocity 62
Density 43
Surface area and volume of geometrical solids 43
Scientific notation 45
Converting time from mixed units 46
Converting units for length, mass, or time 54

Chapter 3 - Position and Velocity
Position and displacement in one dimension 72
Displacement and position in two dimensions 73
Displacement in one dimension 75
Displacement in two dimensions 75
Solve the velocity equation for Δt 81
86
Velocity, position, and time (basic version) 86
Velocity, position, and time (more advanced version) 86
Speed calculator 78
Velocity calculator 78
Average velocity calculator 84
Position for constant velocity 85

Chapter 4 - Acceleration
113
Graphing tool 113
Acceleration (basic version) 116
Acceleration (more advanced version) 116
Timer utility 116
Acceleration calculator 108
Velocity in accelerated motion 114
Position in accelerated motion 115

Chapter 5 - Forces and Newton’s Laws
Newton's second law (basic version) 146
Newton's second law (more advanced version) 146
Stopwatch utility 157
Weight calculator 135
Newton's second law calculator 143
Hooke's law calculator 149

Chapter 6 - Motion in Two and Three Dimensions
Displacements and navigation in two dimensions 180
Race course simulation 180
Maximizing distance with projectile motion 188
Projectile motion to hit a target 188
192
Motion down an inclined plane 195
Vector components 173
Finding angle from vector components 175
Finding magnitude from vector components 175
Acceleration down a ramp 193
Acceleration down a ramp in ramp coordinates 194

Chapter 7 - Circular Motion
Circular motion 210
Orbits of Solar System objects 219
Extrasolar planets 221
Angular velocity 208
Linear velocity and angular velocity 209
Centripetal acceleration 211
Centripetal force 211
Law of universal gravitation calculator 216

Chapter 8 - Static Equilibrium and Torque
Static equilibrium for a lever 241
Static equilibrium for a simply supported beam 241
Strength and structures 248
Torque calculator 238
Rotational equilibrium for a see-saw 240

Chapter 9 - Work and Energy
262
Data graphing tool 262
Work equation calculator 257
Kinetic energy equation 258
Gravitational potential energy 259
Elastic potential energy equation 261
Power equation calculator 265
Electric power equation 266

Chapter 10 - Conservation of Energy
Motion down an inclined plane 285
297
Conservation of kinetic and gravitational potential energy 283
Conservation of kinetic and potential energy 290
Efficiency 296

Chapter 11 - Momentum and Collisions
Spring-loaded carts 316
322
Perfectly elastic collision between two balls 324
Momentum calculator 308
Impulse is the product of force and time applied 310
Impulse is the change in momentum 311
Conservation of momentum in collisions 321

Chapter 12 - Machines
Wind power design simulation 357
Mechanical advantage 335
Mechanical advantage of a lever 337
Efficiency and work 343
Ideal mechanical advantage 343
Mechanical advantage of a wheel and axle 344
Gear ratio 345
Mechanical advantage of two gears 345

Chapter 13 - Angular Momentum
Stopwatch and timer utility 371
Angular momentum 369
Moment of inertia and angular momentum 370

Chapter 14 - Harmonic Motion
Stopwatch utility 393
Oscillating spring 397
Stopwatch and timer utility 404
Frequency and period equation 392

Chapter 15 - Waves
Waves 413
Wave interactions 421
Standing waves on a vibrating string 432
Speed, wavelength, and frequency of a wave 415

Chapter 16 - Sound
Sound waves and the keyboard 443
Doppler effect simulation 449
Seeing and hearing sound waves 451
Create sound with more than one frequency 455
Spectrum analyzer for sound with more than one frequency 455
Create sound with multiple frequencies 458
Speed of sound 447

Chapter 17 - Electricity and Circuits
Ohm’s law 482
Ohm's law in voltage drop form 490
Series resistance equation calculator 491
Adding resistances in parallel 493
Electrical power 497
Electrical power 500

Chapter 18 - Electric and Magnetic Fields
Magnetic field of Earth and a bar magnet 520
Electric field around charged objects 532
Coulomb's law equation calculator 528

Chapter 19 - Electromagnetism
Electric motor simulation 556

Chapter 20 - Light and Reflection
Images in concave spherical mirrors 602
Images in convex spherical mirrors 602
Intensity of light 585
Magnification 591
Law of reflection 596

Chapter 21 - Refraction and Lenses
Forming images with a convex lens 620
Compound optics 626
Model corrective lenses using the compound optics simulation 628
Snell's law 611
Snell's law of refraction 612
Critical angle for internal reflection 613
Thin lens formula 621
Magnification from object and image distances 622
Model the lens in the human eye using the thin lens formula 627

Chapter 22 - Electromagnetic Radiation
Color, frequency, and wavelength of light 638
Photoelectric effect interactive simulation 655
Speed, frequency, and wavelength of light 637
Index of refraction and the speed of light 642
Electromagnetic spectrum 645
Wavelength and speed of light in different media 645
Photon energy calculator 653
Photoelectric effect and work function 654

Chapter 23 - Properties of Matter
Phases of matter simulation 672
Ideal gas simulation for a piston 680
Celsius and Fahrenheit conversion 669
Converting between temperatures in kelvin and degrees Celsius 669
Thermal energy per atom 670
Specific heat equation 674
Pressure 677
Ideal gas law for moles 679
Ideal gas law for particles 679
Density 681
Hydrostatic pressure 681

Chapter 24 - Heat Transfer
Heat transfer for the walls of a house 708

Chapter 25 - Thermodynamics
Heat engines 748

Chapter 26 - Quantum Physics and the Atom
Rutherford scattering interactive simulation 759
Energy levels of the hydrogen atom 770
Atomic mass number and isotope calculator 762

Chapter 27 - Nuclear Physics
Interactive simulation of nuclear reactor control 815
Mass-energy equivalence calculator 797
Decay rate equation 806