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Explore high school physics topics including forces, motion, energy, electromagnetism, and light, from stars to subatomic particles.
Khan Academy | Khan Academy
Learn the basics of physics, including motion and forces, through engaging video lessons on Khan Academy.
Khan Academy | Khan Academy
Khan Academy offers free, world-class education in physics, covering forces and motion topics.
Power (video) | Work and energy | Khan Academy
In physics, power is defined as the rate at which work is done. It measures how quickly energy is being transferred or converted. Learn how to calculate both average and instantaneous power.
Khan Academy | Khan Academy
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Kinematics | AP®︎/College Physics 1 | Science | Khan Academy
AP®︎/College Physics 1 9 units · 56 skills Unit 2 Force and translational dynamics Unit 3 Work, energy, and power Unit 4 Linear momentum
Projectile motion calculations (practice) | Khan Academy
Course: AP®︎/College Physics 1 > Unit 1 Lesson 4: Motion in 2D Vectors in 2D Vectors in 2D Projectile motion
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 …
Introducing Khan Academy’s NGSS-Aligned High School Biology …
Aug 8, 2024 · Learners will examine and be able to explain everyday observations, such as the motion of a ball, static electricity, and why the sky is blue. They will also investigate the …