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It means a constant acceleration:
* If the line slopes up, the object is getting faster at a constant rate;
* if it slopes down, the object is getting slower at a constant rate;
* If the line is horizontal, the object is neither speeding up nor slowing down, but travelling with a constant speed.
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What does it mean when a distance-time graph is straight line?
It means that the object in question is moving at a constant speed.If the graph is a straight horizontal line, then the speed is zero.
What does a straight line mean in a distance time graph?
Constant speed. Zero acceleration.
Why is it not possible for any part of the distance-time graph of a body to be a straight-line segment parallel to the distance axis?
BecAuse that would mean it is going an infinite speed. The slope of a distance time graph is the objects velocity or speed. If there is a line parallel to the distance axis, there is a vertical line. The slope of a vertical line is infinite. It is not possible to go an infinite speed.
What does linear plot mean?
A straight line graph (on the cartesian or coordinate plane).
What does the downward sloping line in a speed graph mean?
If you are analyzing speed with respect to time, then you are decelerating.
