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Constant speed

The graph you described is a speed-time plot. If the line is horizontal, that indicates no change in speed over time. In other words, there is no acceleration (acceleration is zero), since there is no change in speed.

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Q: On a speed-graph a horizontal line shows the change in speed is what?
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If a graph shows time on the horizontal axis and speed on the vertical axis a straight horizontal line across the graph would indicate what?

The graph you described is a speed-time plot. If the line is horizontal, that indicates no change in speed over time. In other words, there is no acceleration (acceleration is zero), since there is no change in speed.


Does a horizontal line on a distance time graph show constant speed?

No. It shows zero speed. Velocity is distance/unit time. The slope of the line shows change in distance / change in time. Since distance never changes as time changes, the change in distance is zero. Alternatively, the slope of a horizontal line is zero. If zero speed is considered "constant", then yes, it does show constant speed but the speed is zero.


If a gragh shows time on the horizontal axis and speed on the vertical axis a straight horizontal line across the gragh would indicate what?

A constant speed.


If a graph shows time on the horizontal axis and speed on the vertical axis a straight horizontal line across the graph would indicate?

constant speed


What kind of graph shows time on the horizontal axis and speed on the vertical axis a straight horizontal line?

Acceleration


If a graph shows time on the horizontal axis and speed on a vertical axis a straight horizontal line across the graph would indicate?

Constant speed ... zero acceleration.


A graph shows distance on the vertical axis and time on the horizontal axisif the speed is steadily increasing what will the line representing speed look like on the graph?

If a graph shows distance on the vertical axis and time on the horizontal axis, and the speed is steadily increasing, the line representing speed will be a straight line.


If a graph shows time on the horizontal axis and speed on the vertical axis straight horizontal line across the graph would indicate what?

The straight horizontal line on the graph says: "Whatever time you look at, the speed is always the same". This is the graph of an object moving with constant speed.


What is the steepness of a line graph equal to its vertical change divided by its horizontal change is referred to as the?

Speed


If a graph shows time on the horizontal axis and speed on the vertical axis a straight horizontal line across the graph would indacate?

that would indicate that the object is at rest (static object) :D


What kind of graph shows an object's speed?

Speed = distance / time A line graph with distance on the vertical axis and time on the horizontal axis could be used to determine speed. The speed would equal the slope of the line. Alternatively, a line graph with distance/time on the vertical axis and time on the horizontal axis would show speed. The acceleration would equal the slope of the line.


What is on the horizontal axis of a speed graph?

The independent variable, in this case time, is on the horizontal axis of a speed graph.