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The green line shows the slope of the velocity-time graph at the particular point where the two lines touch. Its slope is the acceleration at that point. Its slope is the acceleration at that point. In mechanics , the derivative of the position vs. time graph of an object is equal to the velocity of the object.
Unlike a regular distance-time graph, the distance is displayed on the horizontal axis and time on the vertical axis. Additionally, the time and space units of measurement are chosen in such a way that an object moving at the speed of light is depicted as following a 45° angle to the diagram's axes.
Line chart showing the population of the town of Pushkin, Saint Petersburg from 1800 to 2010, ... Graph of speed versus time. Speed (m s −1) 0.01 0.03 0.05 0.08
A clock that is stationary with respect to the observer has a world line that is vertical, and the elapsed time measured by the observer is the same as the proper time. For a clock traveling at 0.3 c , the elapsed time measured by the observer is 5.24 meters ( 1.75 × 10 −8 s ), while for a clock traveling at 0.7 c , the elapsed time measured ...
In terms of a displacement-time (x vs. t) graph, the instantaneous velocity (or, simply, velocity) can be thought of as the slope of the tangent line to the curve at any point, and the average velocity as the slope of the secant line between two points with t coordinates equal to the boundaries of the time period for the average velocity.
Expressed in graphical language, the slope of a tangent line at any point of a distance-time graph is the instantaneous speed at this point, while the slope of a chord line of the same graph is the average speed during the time interval covered by the chord. Average speed of an object is Vav = s÷t
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Date/Time Thumbnail Dimensions User Comment; current: 07:10, 10 June 2007: 410 × 300 (6 KB) Urocyon~commonswiki {{Information |Description=Simple example of a physical science graph of two physical quantities. |Source=Self-created SVG verson of Image:ScientificGraphSpeedVsTime.jpeg, using [[en::Image:Netscape-navigator-usage-data.svg]] as a ...