Position in velocity-time graph refers to the location of an object at a specific time as represented by a point on a graph. It is a visual representation of an object's displacement over time.
The slope of a position in velocity-time graph represents the velocity of an object. A steeper slope indicates a higher velocity, while a flatter slope indicates a lower velocity.
The velocity can be calculated by finding the slope of the line connecting two points on the position in velocity-time graph. The formula for slope is change in position divided by change in time, which is equivalent to velocity.
A horizontal line on a position in velocity-time graph indicates that the object is not moving. This is because the slope of a horizontal line is 0, meaning there is no change in position over time.
Acceleration affects the position in velocity-time graph by changing the slope of the line. If the acceleration is constant, the slope will be a straight line. If the acceleration is increasing or decreasing, the slope will be a curve.