Khan Academy | Khan Academy
The physics archive contains legacy physics content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School Physics, High School Physics, …
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 math to …
Khan Academy | Khan Academy
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Khan Academy | Khan Academy
Ojej, coś poszło nie tak. Spróbuj ponownie. Ups, wystąpił błąd. Aby kontynuować, odśwież stronę. Jeśli ten problem będzie się powtarzać, powiedz nam.
Khan Academy | Khan Academy
Ups. Algo salió mal. Por favor inténtalo otra vez. Oh no, parece que encontramos un error. Necesitas actualiza. Si este problema persiste, avísanos.
可汗学院 | 可汗学院 - Khan Academy
可汗学院提供免费的物理学课程，涵盖基础概念和进阶主题，帮助学习者深入理解物理世界。
Fresh Updates to Khan Academy’s Physics Courses Bring More Rigor …
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 …
Potential energy (article) | Energy | Khan Academy
Learn how potential energy is stored in systems of objects that interact through gravitational, electric, or magnetic fields. Discover how changing the arrangement of objects in a system affects the system's …
Khan Academy | Khan Academy
Opa. Algo deu errado. Por favor, tente novamente. Ah não, parece que ocorreu um erro. Você precisa atualizar. Se o problema persistir, fale conosco.
什么是物理学？ (文章) | 物理学简介 | 可汗学院
让我们来想想什么是物理学，以及在一个物理入门课程上应该涉及哪些内容。