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Learn the kinematic formulas for calculating displacement, velocity, and acceleration in one-dimensional motion.
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Velocity or speed? Instantaneous or average? Keep building your physics vocabulary.
Learn about forces and Newton's laws of motion with Khan Academy's comprehensive lessons and resources.
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Explanation of power in physics, including concepts and calculations.
This unit is part of the Physics library. Browse videos, articles, and exercises by topic.
We know that the displacement is equal to the initial velocity-- and we're dealing with the vertical direction right here-- times the change in time plus the acceleration, times the change in time squared, divided by 2.
Since current is the amount of charge passing through a boundary in a fixed amount of time, it can be expressed mathematically using the following equation: i = d q d t What does the d mean?
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