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Khan Academy offers explanations on displacement, velocity, and time in one-dimensional motion.
Your notion of velocity is probably similar to its scientific definition. You know that a large displacement in a small amount of time means a large velocity and that velocity has units of distance divided by time, such as miles per hour or kilometers per hour.
Learn physics with free online courses, videos, and interactive exercises on Khan Academy.
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High school physics. NEW. Hands-on science activities. NEW. AP®︎/College Biology; AP®︎/College Chemistry; AP®︎/College Environmental Science; AP®︎/College Physics 1; See all Science; Computing; Intro to CS - Python. NEW. Computer programming; AP®︎/College Computer Science Principles; Pixar in a Box;
Learn about position vs. time graphs and how they represent motion in physics.
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What I want to do in this video, now that we have displacement as a function of time, given constant acceleration and an initial velocity. I want to plot displacement, final velocity, and acceleration, all of those as functions of time. Just so we really understand what's happening as the ball is going up and then down.
Learn how to calculate average velocity or speed in one-dimensional motion with Khan Academy.