![]() When velocity is positive, the displacement-time graph should have a positive slope. Since the velocity is constant, the displacement-time graph will always be straight, the velocity-time graph will always be horizontal, and the acceleration-time graph will always lie on the horizontal axis. When the object is accelerating, the line should be curved. Pay attention to the shape of each segment. To find displacement, calculate the area under each interval.įind the cumulative areas starting from the origin (given an initial displacement of zero) 00 s → Since the acceleration is constant within each interval, the new graph should be made entirely of linked horizontal segments.ĭisplacement is the product of velocity and time. To find acceleration, calculate the slope in each interval. The motion of this object is described for several segments in the graph below.Īcceleration is the rate of change of displacement with time. You can say what direction it's moving, how fast it's going, and whether or not it's accelerating, however. You can't immediately determine where the object is from this graph. Do not read it as if it was showing you position. The problem presents us with a velocity-time graph. ![]()
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