Analyzing x/t Graph - Accelerations & Inflections

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SUMMARY

The discussion focuses on analyzing the x/t graph to determine the behavior of position (x), velocity (v), and acceleration (a) at various points. It is established that acceleration is positive when the graph is concave up, negative when concave down, and zero at points of inflection. Participants confirm these relationships, reinforcing the understanding of graph analysis in physics.

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  • Understanding of basic calculus concepts, particularly concavity and inflection points.
  • Familiarity with graph interpretation in physics, specifically position, velocity, and acceleration relationships.
  • Knowledge of the definitions of concave up and concave down graphs.
  • Experience with analyzing motion graphs in kinematics.
NEXT STEPS
  • Study the relationship between position, velocity, and acceleration in kinematics.
  • Learn how to identify concavity and inflection points in various types of graphs.
  • Explore advanced graph analysis techniques using calculus.
  • Practice problems involving motion graphs to solidify understanding of these concepts.
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Students studying physics, particularly those focusing on kinematics and graph analysis, as well as educators looking to reinforce concepts of motion through graphical interpretation.

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Homework Statement


Given this graph:
[PLAIN]http://img683.imageshack.us/img683/2403/xvtt.jpg

where is x>0, x<0, x=0, v>0, v<0, v=0, a>0, a<0, a=0?



The Attempt at a Solution


I figured out everything up to the accelerations, it's just been a long time since I've had to do a problem such as this.
Is the acceleration positive where the graph is concave up, negative where it is concave down, and 0 at the points of inflection?
 
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welcome to pf!

hi dazedy! welcome to pf! :smile:
dazedy said:
Is the acceleration positive where the graph is concave up, negative where it is concave down, and 0 at the points of inflection?

Yup! :biggrin:
 
Thanks :)
It's been years since I've had to look at a graph like this...
 

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