If time is along the horizontal axis, and speed up the vertical, then a horizontal line indicates that at all times the speed remains at a fixed value. Hence the object is travelling at a constant speed of v, where v is the height of the horizontal line.
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It depends what you're measuring- If it's the speed you're measuring, the time goes on the horizontal axis (X-axis). If, however, you're measuring how long it takes for the object to get to a set speed- and it's the time you're measuring, time goes horizontally.
A horizontal line on a position vs. time graph represents an object at rest. This means that the object is not moving and its position remains constant over time.
This means that it has a constant acceleration. It DOES NOT mean that the object is at rest.
A horizontal line on a position-time graph would indicate that the object is stationary and not changing its position over time.
The slope of a position-time graph represents the velocity of an object. A steeper slope indicates a higher velocity, while a flatter slope indicates a lower velocity. Positive slopes represent motion in one direction, negative slopes represent motion in the opposite direction, and a horizontal line represents an object at rest.
Yes, a horizontal line on a distance-time graph represents an object moving at a constant speed. The slope of the line on a distance-time graph represents the speed of the object, and if the line is horizontal, it means the object is moving at a constant speed as there is no change in distance over time.
The shape of a position versus time graph is parabolic when the object is undergoing constant acceleration. This acceleration results in a quadratic relationship between position and time, forming a parabolic curve.
A horizontal line on a position-time graph or a stationary line on a velocity-time graph represents the motion of an object with zero net force. These graphs indicate constant velocity motion, where the object is moving at a consistent speed in a straight line.