Area Under The Graph (Quick Question)

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Homework Help Overview

The discussion revolves around calculating the area under a velocity-time graph and understanding its significance in relation to position and displacement. Participants are exploring the mathematical representation of this area and its physical interpretation.

Discussion Character

  • Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • The original poster attempts to identify the relationship between the area under the graph and physical concepts like position and displacement. Some participants provide mathematical expressions for calculating the area, while others clarify the distinction between total displacement and total distance.

Discussion Status

Participants are actively engaging with the concepts, providing mathematical insights and clarifications regarding the interpretation of the area under the graph. There is a mix of mathematical reasoning and conceptual exploration, with no explicit consensus reached yet.

Contextual Notes

There is an underlying question about the representation of area under the graph and its implications, which suggests a need for further exploration of definitions and assumptions related to velocity and displacement.

Incog
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So I have a velocity-time graph and I need to calculate the area under it. I guess the "shape" made is a triangle so the formula would be 0.5 x b x h. But what exactly is the area under the graph supposed to represent? Does it have anything to do with position?

Thanks in advance.
 
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If the function of you graphic is f(x), the area is:

[tex]A=\int f(x) dx[/tex]

If f(x)=mx +b :

[tex]A=\int (mx +b)dx[/tex]

[tex]A= \frac{1}{2}mx^2+bx[/tex]

See: http://en.wikipedia.org/wiki/Integral

I hope to have helped :blushing:
 
the area under the graph of a velocity-time graph, is the total displacement of a body.
 
Last edited:
the area under a speed-time graph gives the total distance travelled by the body.
the area under a velocity-time graph gives the total displacement of the body.
 

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