What does a velocity-time graph show you about an object?
A velocity-time graph shows the speed and direction an object travels over a specific period of time. Velocity-time graphs are also called speed-time graphs. The vertical axis of a velocity-time graph is the velocity of the object. The horizontal axis is the time from the start.
How do you describe motion of a velocity-time graph?
Note that a motion described as a changing, positive velocity results in a sloped line when plotted as a velocity-time graph. The slope of the line is positive, corresponding to the positive acceleration. Furthermore, only positive velocity values are plotted, corresponding to a motion with positive velocity.
What is the velocity-time graph for an object at rest?
To be “at rest” is to have a zero velocity. Thus the line is drawn along the axis (v=0). 30. Sketch a velocity-time graph for an object moving in the + direction, accelerating from a slow speed to a fast speed.
How does a velocity-time graph show that a runner is moving fast?
6. A) the velocity-time graph shows the runner is moving fast depending on the y value, the higher the y value the faster the runner is moving, the lower the y value, the slower the runner is.
What is velocity-time graph 9?
What is Velocity Time Graph. It is used to show Velocity of object and Time Taken on a graph paper. Here, Time Taken is shown on x axis. Velocity is shown on y axis.
How do you describe the motion of an object on a graph?
If an object moves along a straight line, the distance travelled can be represented by a distance-time graph. In a distance-time graph, the gradient of the line is equal to the speed of the object. The greater the gradient (and the steeper the line) the faster the object is moving.
How do you describe the motion of an object?
You can describe the motion of an object by its position, speed, direction, and acceleration. An object is moving if its position relative to a fixed point is changing. Even things that appear to be at rest move.
What is velocity time graph 9?
What is velocity time graph 11?
The Velocity Time Graph: Velocity-time graph is a plot between Velocity and Time. It shows the Motion of the object that moves in a Straight Line. Magnitude of Velocity at a given instant is equal to its Instantaneous Speed.
What represents the velocity of a moving object?
Velocity can be represented by an arrow, with the length of the arrow representing speed and the way the arrow points representing direction. Objects have the same velocity only if they are moving at the same speed and in the same direction.
Which velocity time graph represents the motion of an object moving with constant acceleration?
A straight line is a curve with constant slope. Since slope is acceleration on a velocity-time graph, each of the objects represented on this graph is moving with a constant acceleration.
How to find the acceleration from a velocity time graph?
The principle is that the slope of the line on a velocity-time graph reveals useful information about the acceleration of the object. If the acceleration is zero, then the slope is zero (i.e., a horizontal line). If the acceleration is positive, then the slope is positive (i.e., an upward sloping line).
Why is the shape of a velocity graph important?
The shapes of the velocity vs. time graphs for these two basic types of motion – constant velocity motion and accelerated motion (i.e., changing velocity) – reveal an important principle. The principle is that the slope of the line on a velocity-time graph reveals useful information about the acceleration of the object.
What does speed up mean on a velocity graph?
Speeding Up versus Slowing Down. Speeding up means that the magnitude (or numerical value) of the velocity is getting large. For instance, an object with a velocity changing from +3 m/s to + 9 m/s is speeding up. Similarly, an object with a velocity changing from -3 m/s to -9 m/s is also speeding up.
When does slope equal velocity on displacement time graph?
On a displacement-time graph… slope equals velocity. the “y” intercept equals the initial displacement. when two curves coincide, the two objects have the same displacement at that time.