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 seesaw 
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 
Springloaded 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 
Massenergy equivalence calculator 
797 
Decay rate equation 
806 