![]() As a result, its d-t graph is curved and its slopeis not constant (note previous examples). When an object accelerates, its velocity constantly changes. Tangent line: A line drawn so that it touches a curve at one point only. Instantaneous velocity: The velocity of an object at a certain point, or instant, in time. (Drawing vertical guidelines atthe change points can help.) Use the velocities calculated in part ato draw a corresponding velocity-timegraph. Place your valuesin the chart supplied.ī. Determine the velocity for eachsection of the graph. The displacement-time graph of their motion is produced on the calculatoras shown below.Ī. Students perform an experiment involving moving back and forth in front of a motion sensor linkedto a graphing calculator. The line is in the fourth quadrant, ∴, the velocity isnegative.ģ.The line is in the first quadrant, ∴, the velocity ispositive. ![]()
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