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Projectile Motion - AP Physics

Khan Academy via YouTube

Overview

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Learn how to analyze projectile motion by separating two-dimensional movement into horizontal and vertical components. Explore the fundamental principle that projectile motion involves zero acceleration horizontally and constant gravitational acceleration vertically. Begin with a thought experiment comparing when different balls hit the ground, then examine vertical motion characteristics including how gravity affects upward and downward movement. Study horizontal motion properties where velocity remains constant due to no acceleration. Discover how to combine horizontal and vertical motion analysis to solve complex projectile problems. Investigate projectile motion when objects are launched at various angles, learning to break initial velocity into components. Master the kinematic equations that govern each dimension of motion and understand how to apply one-dimensional relationships to solve multi-dimensional problems. Practice analyzing real-world scenarios involving objects in flight, from simple drops to angled launches, while developing problem-solving strategies for AP Physics coursework.

Syllabus

00:00 - Which ball hits the ground first?
00:43 - Vertical motion of a projectile
03:36 - Horizontal motion of a projectile
04:47 - Combining horizontal and vertical motion
06:45 - Projectile launched at an angle
09:01 - Summary

Taught by

Khan Academy

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