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  1. Khan Academy | Khan Academy

    Oops. Something went wrong. Please try again. Uh oh, it looks like we ran into an error. You need to refresh. If this problem persists, tell us.

  2. Acceleration (video) | Khan Academy

    Acceleration is when an object's velocity is changing over time. Let's ignore the changing direction case and just focus on changing speed. An object can change speed either by speeding up or slowing …

  3. What is acceleration? (article) | Khan Academy

    What does acceleration mean? Compared to displacement and velocity, acceleration is like the angry, fire-breathing dragon of motion variables. It can be violent; some people are scared of it; and if it's …

  4. Acceleration (video) | 4th quarter: Physics | Khan Academy

    Let's explore what acceleration is and how we calculate it. Created by Mahesh Shenoy.

  5. Khan Academy | Khan Academy

    Use a simulation to investigate the effects of balanced and unbalanced forces on an object's motion. Explore how an object's acceleration is affected by the net force acting on it and its mass.

  6. Accélération et vitesse (s'entraîner) | Khan Academy

    S'entraîner à déterminer l'accélération, la durée, la vitesse initiale ou la vitesse finale à partir de la formule de l'accélération

  7. Acceleration vs. time graphs (article) | Khan Academy

    Learn how to interpret the motion of an object represented on an acceleration vs. time graph.

  8. Khan Academy | Khan Academy

    Oups. Il y a eu un problème. S'il vous plaît, veuillez reessayer. Oups, on dirait qu'il y a eu une erreur ! Vous devez actualiser. Si le problème persiste, dites-nous.

  9. Acceleration (video) | Motion | Khan Academy

    Acceleration (a) is the change in velocity (Δv) over the change in time (Δt), represented by the equation a = Δv/Δt. This allows you to measure how fast velocity changes in meters per second squared …

  10. What is acceleration? (article) | Kinematics | Khan Academy

    Velocity describes how position changes; acceleration describes how velocity changes. Two layers of change!