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In summary, the conversation discusses how to draw a velocity-time graph to determine if a particle has exceeded a certain velocity. The person suggests using the given formula and checks if the other person understands the relationship between displacement-time and velocity-time graphs. They also mention that understanding this relationship can help determine the velocity without needing to refer to another graph.

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computing said:Homework Statement::v-t graphing

Homework Equations::no equation

hi

how can i draw velocity - time graph to determine whetere this particle has ever exceeeded the 30 km/h velocity or not ?

First of all, let's check if you have the conceptual understanding of the relationship between displacement-time graph, and velocity-time graph. Do you know the relationship between those two graphs? Or more importantly, do you know how to find the velocity if you are given a displacement over a time period?

The graph gives you a hint on what you need to get a rough estimate of the velocity, i.e. it gives you a measure of the displacement Δx and the time for that displacement Δt.

Zz.

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A velocity vs. time graph is a visual representation of an object's motion over time. The velocity on the y-axis represents the speed and direction of the object, while the time on the x-axis shows the duration of the motion.

To determine if a particle has exceeded 30 km/h on a velocity vs. time graph, you need to look for the point on the graph where the velocity line crosses the 30 km/h mark. If the line is above the mark, the particle has exceeded 30 km/h. If the line is below the mark, the particle has not yet reached 30 km/h.

The velocity of a particle on a velocity vs. time graph can be affected by various factors such as the force applied to the object, the mass of the object, and the presence of any external forces like friction or air resistance. Changes in direction or acceleration can also affect the velocity of the particle.

Yes, it is possible for a particle's velocity to exceed 30 km/h and then return to a lower speed on a velocity vs. time graph. This can happen if the particle experiences a change in direction or acceleration, causing its velocity to decrease.

A velocity vs. time graph can be used to determine the distance traveled by a particle by calculating the area under the curve. The distance traveled is equal to the product of the time interval and the average velocity during that time interval. This can be found by dividing the area under the curve by the time interval.

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