chaos
eworld
facts
get bent
physics

The Physics
Hypertextbook

Opus in profectus

… significant-digits
orders-magnitude
graphs …

Order of Magnitude

discussion
summary
practice
problems
resources

Discussion

Rose Center for Earth and Space (Planetarium) The sphere inside the planetarium is 87 foot in diameter (26.5 m)

Drake Equation

discussion
summary
practice
problems
resources

Order of Magnitude

… significant-digits
orders-magnitude
graphs …

The Physics Hypertextbook
©1998–2023 Glenn Elert
Author, Illustrator, Webmaster

No condition is permanent.

Mechanics
1. Kinematics
2. Dynamics I: Force
3. Energy
4. Dynamics II: Momentum
5. Rotational Motion
6. Planetary Motion
7. Periodic Motion
8. Fluids
Thermal Physics
1. Heat & Temperature
2. Calorimetry
3. Heat Transfer
4. Thermodynamics
Waves & Optics
1. Wave Phenomena
2. Sound
3. Physical Optics
4. Geometric Optics
Electricity & Magnetism
1. Electrostatics
2. Electrostatic Applications
3. Electric Current
4. DC Circuits
5. Magnetostatics
6. Magnetodynamics
7. AC Circuits
8. Electromagnetic Waves
Modern Physics
1. Relativity
2. Quanta
3. Wave Mechanics
4. Nuclear Physics
5. Particle Physics
Foundations
1. Units
2. Measurement
  1. Significant Digits
  2. Order of Magnitude
3. Graphs
4. Vectors
5. Reference
Back matter
1. Preface
  1. About this book
2. Contact the author
  1. glennelert.us
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3. Affiliated websites
  1. hypertextbook.com
  2. midwoodscience.org