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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.
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Examples of Distance and Displacement. Question 1. John travels 250 miles to North but then back-tracks to South for 105 miles to pick up a friend. What is John’s total displacement? Answer: John’s starting position X i = 0. Her final position X f is the distance travelled N minus the distance South. Calculating displacement, i.e.D. D = ΔX ...
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.
The formula for speed distance time is mathematically given as: Speed = Distance/Time. Where, x = Speed in m/s, d = Distance travelled in m, t= time taken in s. Distance travelled formula. If any of the two values among speed, distance and time are given, we can use this formula and find the unknown quantity.
You can use the pythagorean theorem to find the distance between any two points on a coordinate plane as part of the distance formula. People are just mentioning that if the sheep hadn't gone West you would've needed to use the distance formula to figure out the displacement of the sheep because it wouldn't have been immediately obvious.
Using a one-dimensional number line to visualize and calculate distance and displacement. View more lessons or practice this subject at http://www.khanacademy.org/science/ap... AP Physics 1...
Let’s calculate first the distance that john travels. While calculating distance, we look at the numeric value of interval between traveled points. As you can see from Figure 1.2 he travels from A to B to C. Distance from A to B is 4m and B to C is 3 m. Their sum will give us total distance; 4+3=7. Then it’s time to calculate displacement.
