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2-1 Position, Displacement, and Distance In describing an object’s motion, we should first talk about position – where is the object? A position is a vector because it has both a magnitude and a direction: it is some distance from a zero point (the point we call the origin) in a particular direction. With one-dimensional motion,
It refers to the numerical measurement of how far an object is from a particular place. Also, in physics, it may refer to the physical length or evaluation based on some criteria. Furthermore, a distance from X to Y is exchangeable with distance from Y to X.
The Cambridge Handbook of Physics Formulas comprehensively covers the major topics explored in undergraduate physics courses. It is designed to be a compact, portable, reference book suitable for everyday work, problem solving, or exam revision.
Using a one-dimensional number line to visualize and calculate distance and displacement. Created by Sal Khan.
know formulae for constant velocity and constant acceleration be able to solve problems on motion with constant velocity and constant acceleration, including problems involving several such stages
When you describe distance, you only include the magnitude, the size or amount, of the distance traveled. However, when you describe the displacement, you take into account both the magnitude of the change in position and the direction of movement.
Section B.1 Distance Formula. The distance formula is used for finding the distance between two points. In two dimensions it is simply an application of the Pythagorean theorem. Given two points (x1,y1) and (x2,y2) the distance between them is: d = (x2 −x1)2 + (y2 −y1)2− −−−−−−−−−−−−−−−−−√. (B.1.1)
