Motion in a plane
Visualizing vectors in 2 dimensions
Unit vectors and engineering notation
Unit veunit vector notation part 2ctor notation
Unit vector notation part 2
Projectile motion graphs
Horizontally launched projectile
Projectile at an angle
Launching and landing on different elevations
Total displacement for projectile
Total final velocity for projectile
Correction to total final velocity for projectile
Projectile on an incline
Rain man problem
Angular motion variables
Distance or arc length from angular displacement
Distance or arc length from angular displacement
Angular velocity and speed
Connecting period and frequency to angular velocity
Radius comparison from velocity and angular velocity worked example
Linear velocity comparison from radius and angular velocity worked example
Change in period and frequency from change in angular velocity worked examples
Race cars with constant speed around curve
Visual understanding of centripetal acceleration formula
Deriving formula for centripetal acceleration from angular velocity
Change in centripetal acceleration from change in linear velocity and radius worked examples
Relating angular and regular motion variables
Calculus proof of centripetal acceleration formula
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KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
KHAN ACADEMY® offers great materials that can help build your skills in subjects that are important to you.
You can master basic concepts, explore subjects further or reinforce your knowledge − at your own pace.
Wherever you are in your learning journey, here are links to free materials that may be useful to identify both your strengths and any knowledge gaps in key background subjects.