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Introduction to physics (video) | Khan Academy
Physics is built on a foundation of math and it seeks to explain all phenomena in the universe. It forms the basis for other sciences like chemistry and biology. Physics uses simple yet elegant …
Fresh Updates to Khan Academy’s Physics Courses Bring More …
Aug 18, 2025 · Explore Khan Academy’s updated AP Physics 1 and NGSS-aligned Middle School Physics courses, featuring new videos, interactive practice, and hands-on activities to support …
AP®︎/College Physics 1 | Science | Khan Academy
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High school physics (DEPRECATED) - Science | Khan Academy
This course has been deprecated. We recommend exploring our improved High School Physics, AP Physics 1, and AP Physics 2 courses instead.
High school physics | Science | Khan Academy
If you’ve mastered this content and want to explore physics at the next level, we recommend our AP Physics 1 and AP Physics 2 courses. Give us feedback on this course
What is physics? (article) | Physical world | Khan Academy
Let's think about what physics is and what topics are covered in an introductory physics course.
物理 | 科学 | 可汗学院
物理学研究的是决定我们身处的物质世界的基本原理。我们将从运动自身开始。然后，我们将在许多不同的实际情况中了解力、动量、能量和其它概念。为了更好地理解物理学，你需要有牢固 …
What is physics? (article) | Khan Academy
Let's think about what physics is and what topics are covered in an introductory physics course.
Repaso de corriente, resistencia y resistividad - Khan Academy
Crédito de la imagen: adaptada de OpenStax College Physics. Imagen original de OpenStax, CC BY 4.0 Además, la resistencia es inversamente proporcional al área de la sección transversal …