How Do You Graph Velocity for Different Speeds and Time Intervals?

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SUMMARY

This discussion focuses on graphing velocity for two scenarios involving walking and running along a straight track. The first scenario involves walking 71.4 meters at a speed of 1.22 m/s and then running the same distance at 3.05 m/s. The second scenario consists of walking for 1.16 minutes at 1.22 m/s and running for the same duration at 3.05 m/s. Participants emphasize the importance of calculating total time for both segments to accurately graph the velocity versus time relationship and determine average velocity.

PREREQUISITES
  • Understanding of basic kinematics, specifically distance, speed, and time relationships.
  • Familiarity with graphing techniques, particularly plotting x (distance) versus t (time).
  • Knowledge of average velocity calculation methods.
  • Ability to convert time units (e.g., minutes to seconds) for accurate calculations.
NEXT STEPS
  • Learn how to calculate total time for multiple segments in kinematic problems.
  • Study how to graph velocity versus time for varying speeds.
  • Explore the concept of average velocity and its graphical representation.
  • Review examples of similar kinematic problems to reinforce understanding.
USEFUL FOR

Students studying physics, particularly those tackling kinematics and graphing velocity, as well as educators looking for practical examples to illustrate these concepts.

kevinf
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need urgent help on graphing velocity graphs

Homework Statement



(a) You walk 71.4 m at a speed of 1.22 m/s and then run 71.4 m at a speed of 3.05 m/s along a straight track.

(b) You walk for 1.16 min at a speed of 1.22 m/s and then run for 1.16 min at 3.05 m/s along a straight track.

(c) Graph x versus t for both cases and indicate how the average velocity is found on the graph. (Do this on paper. Your instructor may ask you to turn in this graph.)


Homework Equations





The Attempt at a Solution


i need help on graphing this for part c. i already graphed 1.16(60) divide by 1.22 on the graph but i don't know how to do the second speed. any help would be apprecieated
 
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Can you describe where you're getting stuck? You found the time for the first distance... just add the time for the second distance...
 

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