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Physics Playground

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© 2026 Physics Playground. Feito para os curiosos.Idioma

Preface
1What is Physics?
2Motion in One Dimension
3Acceleration
4Forces and Newton’s Laws of Motion
5Motion in Two Dimensions
6Circular and Rotational Motion
7Newton's Law of Gravitation
8Momentum
9Work, Energy, and Simple Machines
10Special Relativity
11Thermal Energy, Heat, and Work
12Thermodynamics
13Waves and Their Properties
14Sound
15Light
16Mirrors and Lenses
- Introduction
- 16.1Reflection
- 16.2Refraction
- 16.3Lenses
- Key Terms
- Section Summary
- Key Equations
- Chapter Review
17Diffraction and Interference
18Static Electricity
19Electrical Circuits
20Magnetism
21The Quantum Nature of Light
22The Atom
23Particle Physics
- Introduction
- 23.1The Four Fundamental Forces
- 23.2Quarks
- 23.3The Unification of Forces
- Key Terms
- Section Summary
- Chapter Review
AReference Tables
Index

Biblioteca Physics

Sumário

Preface
1What is Physics?
2Motion in One Dimension
3Acceleration
4Forces and Newton’s Laws of Motion
5Motion in Two Dimensions
6Circular and Rotational Motion
7Newton's Law of Gravitation
8Momentum
9Work, Energy, and Simple Machines
10Special Relativity
11Thermal Energy, Heat, and Work
12Thermodynamics
13Waves and Their Properties
14Sound
15Light
16Mirrors and Lenses
- Introduction
- 16.1Reflection
- 16.2Refraction
- 16.3Lenses
- Key Terms
- Section Summary
- Key Equations
- Chapter Review
17Diffraction and Interference
18Static Electricity
19Electrical Circuits
20Magnetism
21The Quantum Nature of Light
22The Atom
23Particle Physics
- Introduction
- 23.1The Four Fundamental Forces
- 23.2Quarks
- 23.3The Unification of Forces
- Key Terms
- Section Summary
- Chapter Review
AReference Tables
Index

Key Equations

Celsius to Fahrenheit conversion	$T_{°F} = \frac{9}{5} T_{°C} + 32 T_{°F} = \frac{9}{5} T_{°C} + 32$
Fahrenheit to Celsius conversion	$T_{°C} = \frac{5}{9} (T_{°F} - 32) T_{°C} = \frac{5}{9} (T_{°F} - 32)$
Celsius to Kelvin conversion	$T_{K} = T_{°C} + 273.15 T_{K} = T_{°C} + 273.15$
Kelvin to Celsius conversion	$T_{°C} = T_{K} - 273.15 T_{°C} = T_{K} - 273.15$
Fahrenheit to Kelvin conversion	$T_{K} = \frac{5}{9} (T_{°F} - 32) + 273.15 T_{K} = \frac{5}{9} (T_{°F} - 32) + 273.15$
Kelvin to Fahrenheit conversion	$T_{°F} = \frac{9}{5} (T_{K} - 273.15) + 32 T_{°F} = \frac{9}{5} (T_{K} - 273.15) + 32$

heat transfer	$Q = m c Δ T Q = m c Δ T$
density	$ρ = \frac{m}{V} ρ = \frac{m}{V}$

heat transfer for melting/freezing phase change	$Q = m L_{f} Q = m L_{f}$
heat transfer for vaporization/condensation phase change	$Q = m L_{v} Q = m L_{v}$

Key Equations · Physics · Physics Playground

Key Equations

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AnteriorSection Summary Próxima Concept Items

Physics, da OpenStax (Rice University), sob licença CC BY 4.0. Leitura gratuita em openstax.org. Mudamos o layout e retiramos as notas destinadas só a professores. A OpenStax não endossa este site.