velocity is nothing but speed of a body in the given direction.
suppose if body is moving with constant velocity then VT graph will be parallel to
the X -axis, if not then the VT graph is not parallel to the X-axis it means then object is moving with different velocity or it has its dierection or both velocity and aswell as direction.
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Yes. If the graph is zero everywhere, then the object is stationary.
If the object is not stationary, then the graph must depart from zero.
Yes, the object is stationary when the velocity is zero, the point or points where the graph crosses the horizontal time axis
Well, it's hard to graph a velocity-time graph in the first place, since velocity is a vector. I assume you mean speed-time graph. In that case, when you are moving faster, the velocity will simply be higher up in the graph.
If the velocity-time graph is a horizontal line, then the velocity is constant. This means that the object is moving at the same speed in a straight line without changing its velocity.
if the velocity is positive to start with it changes direction when the velocity is less than zero; that is, when it is negative.
If the line is a horizontal line coincident with the x (time) axis and at y = 0 (velocity) axis it is stationary
If the y-value of the velocity vs. time graph stays constant, it means the object is moving at a constant velocity, meaning there is no change in speed or direction over time. This could occur if there is no net force acting on the object, resulting in a balanced situation where the velocity remains constant.
No, a velocity graph does not indicate where to start. It provides information about the speed and direction of an object's motion at different points in time but does not specify the initial position of the object.
When velocity is changing, the slope of the position versus time graph represents the velocity at that particular moment. The slope becomes steeper when velocity is increasing and shallower when velocity is decreasing. A horizontal line indicates zero velocity.
The position-time graph for a person walking away from a starting point at a constant speed would be a straight line with a positive slope indicating a constant increase in position over time.
When two objects have the same velocity on a position graph, their position vs. time graphs will have parallel lines with the same slope. This indicates that both objects are covering the same distance in the same amount of time, resulting in the same velocity.