Courses for Physics

287 free courses & lectures available for Physics

Unit vector notation (part 2) | Two-dimensional motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.15 hours

More on unit vector notation. Showing that adding the x and y components of two vectors is equivalent to adding the vectors visually using the head-to-tail ...

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Projectile motion with ordered set notation | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Solving the second part to the projectile motion problem (with wind gust) using ordered set vector notation. Created by Sal Khan. Watch the next lesson: ...

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Gravitation (part 2) | Centripetal force and gravitation | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.14 hours

A little bit more on gravity. Created by Sal Khan. Watch the next lesson: ...

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Introduction to Newton's law of gravitation | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.14 hours

A little bit on gravity. Created by Sal Khan. Watch the next lesson: ...

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Intro to springs and Hooke's law | Work and energy | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Introduction to Hooke's Law. Created by Sal Khan. Watch the next lesson: ...

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Potential energy stored in a spring | Work and energy | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Work needed to compress a spring is the same thing as the potential energy stored in the compressed spring. Created by Sal Khan. Watch the next lesson: ...

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Spring potential energy example (mistake in math) | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.16 hours

A spring, a frozen loop-d-loop and more! (See if you can find the mistake I made and get the right answer!). Created by Sal Khan. Watch the next lesson: ...

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Introduction to harmonic motion | Oscillatory motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.17 hours

Intuition behind the motion of a mass on a spring (some calculus near the end). Created by Sal Khan. Watch the next lesson: ...

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Harmonic motion part 2 (calculus) | Oscillatory motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.16 hours

We test whether Acos(wt) can describe the motion of the mass on a spring by substituting into the differential equation F=-kx. Created by Sal Khan. Watch the ...

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Harmonic motion part 3 (no calculus) | Oscillatory motion | Physics | Khan Academy

by Khan Academy on Youtube Youtube

Duration: 0.16 hours

Figuring out the period, frequency, and amplitude of the harmonic motion of a mass attached to a spring. Created by Sal Khan. Watch the next lesson: ...

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