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What is the meaning of the y-intercept in the equation of the line on the velocity-time graph?
It means that the object was travelling away from or towards the point of reference with a velocity represented by the intercept at the start of the measurement, that is, at time t = 0.
What physical property does the vertical intercept represent?
If x is horizontal distance in your graph, and y is vertical distance, the vertical intercept is what y is when x=0. For example, if x is the time since you started a business, and y is how much your business is worth, the vertical intercept is how much money you started off with.
How do you know there is no motion on a distance time-graph?
distance = velocity x time so on the graph velocity is slope. If slope is zero (horizontal line) there is no motion
What is represented by an x-intercept on a position time graph?
In such graphs the x-axis is usually (but not always) the time axis. The x-intercept represents the time(s) at which your position is at the starting point - either for the first time or later.
What does constant speed appear as on a V-t graph?
On a graph of velocity and time, a constant speed would appear as a straight horizontal line.
