Motion can be described in terms of velocity and acceleration from "summary" of The World of Physics 2nd Edition by John Avison
The description of motion in physics involves the concepts of velocity and acceleration. Velocity is a vector quantity that describes the rate at which an object changes its position with respect to time. It includes both the speed of the object and the direction in which it is moving. Acceleration, on the other hand, is the rate at which the velocity of an object changes with respect to time. When an object is in motion, its velocity can be constant or changing. If the velocity of the object is constant, it means that the object is moving at the same speed and in the same direction over time. However, if the velocity of the object is changing, then the object is said to be accelerating. Acceleration can be positive, negative, or zero, depending on whether the speed of the object is increasing, decreasing, or remaining constant. Velocity and acceleration are related in that acceleration is t...
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