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v = u + at. Since u = 0. v= at. Since acceleration is a function of time, the velocity-time graph will be a curve. Note: Since the acceleration continuously increases with time, the magnitude of the slope will also continuously increase with time. Example: If the acceleration of a particle is a function of time and the initial velocity is zero ...
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Jul 18, 2023 · Learn to represent constant velocity motion with motion graphs and motion maps (aka dot diagrams).🔥Subscribe: https://www.youtube.com/@physicsuniversevideos...
- 10 min
- 985
- The Physics Universe
- Constant Velocity Versus Changing Velocity
- The Importance of Slope
- Positive Velocity Versus Negative Velocity
- Speeding Up Versus Slowing Down
- Check Your Understanding
Consider a car moving with a constant, rightward (+) velocity - say of +10 m/s. As learned in an earlier lesson, a car moving with a constant velocity is a car with zero acceleration. If the velocity-time data for such a car were graphed, then the resulting graph would look like the graph at the right. Note that a motion described as a constant, po...
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. If the acceleration is zero,...
The answers to these questions hinge on one's ability to read a graph. Since the graph is a velocity-time graph, the velocity would be positive whenever the line lies in the positive region (above the x-axis) of the graph. Similarly, the velocity would be negative whenever the line lies in the negative region (below the x-axis) of the graph. As lea...
Now how can one tell if the object is speeding up or 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. In each case, ...
1. Consider the graph at the right. The object whose motion is represented by this graph is ... (include all that are true): 1. moving in the positive direction. 2. moving with a constant velocity. 3. moving with a negative velocity. 4. slowing down. 5. changing directions. 6. speeding up. 7. moving with a positive acceleration. 8. moving with a co...
Mar 31, 2022 · Motion graphs allow scientists to learn a lot about an object’s motion with just a quick glance. This article will cover the basics for interpreting motion graphs including different types of graphs, how to read them, and how they relate to each other. Interpreting motion graphs, such as position vs time graphs and velocity vs time graphs ...
Velocity-time (v - t) graph. v = v 0 = cnst. The graph velocity-time (v-t) of a uniform rectilinear motion (u.r.m.) shows that the velocity remains constant over time. Again, we can distinguish two cases: Notice that the area enclosed under the curve between two instants of time is the distance traveled.
Velocity-time graphs show how the velocity (or speed) of a moving object changes with time. These graphs also show if the object is moving at a constant speed or accelerating, decelerating, or ...
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The Velocity-Time Graphs: Constant Speed Motion Video Tutorial discusses the shape and features of a velocity-time graph for an object that is moving with constant speed. The distinctions of the graphs for positive vs. negative velocity and for fast-moving vs. slow-moving objects are clearly made. Numerous examples, graphs, and animations ...
