what could be explained from the straight horizontal line observed at the beginning and end of the graph?
Answers
Answer:
The graph of a relation of the form y = 5 is a line parallel to the x-axis because the y value never changes.
A line parallel to the x-axis is called a horizontal line.
The graph of a relation of the form x = 5 is a line parallel to the y-axis because the x value never changes.
A line parallel to the y-axis is called a vertical line
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Answer:
As discussed in the previous part of Lesson 4, the shape of a velocity versus time graph reveals pertinent information about an object's acceleration. For example, if the acceleration is zero, then the velocity-time graph is a horizontal line (i.e., the slope is zero). If the acceleration is positive, then the line is an upward sloping line (i.e., the slope is positive). If the acceleration is negative, then the velocity-time graph is a downward sloping line (i.e., the slope is negative). If the acceleration is great, then the line slopes up steeply (i.e., the slope is great). This principle can be extended to any motion conceivable. Thus the shape of the line on the graph (horizontal, sloped, steeply sloped, mildly sloped, etc.) is descriptive of the object's motion. In this part of the lesson, we will examine how the actual slope value of any straight line on a velocity-time graph is the acceleration of the object.