Graphing velocity, acceleration, and position

In summary, the conversation discusses graphing velocity vs. time and clarifying the meaning of "time" as the independent variable. The x-value is time in all three graphs, while the y-value represents acceleration, velocity, and position. The person has not been taught how to draw graphs and may need to study line graphs before tackling this exercise. Additional resources are provided for further understanding.
  • #1
Homework Statement
I need help graphing velocity position and time on three different graphs when obstruction is present
Relevant Equations
P1. A driver is riding along at the steady speed of 25 m/s (90 km/h) when she notices an obstruction in the road
ahead. After a reaction time of 2 s, she applies the brakes to decelerate at the rate of 2.5 m/s2
im not sure where to start
 
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  • #2
Start by drawing the velocity vs. time first. I am not sure what you mean by graphing "time". That is normally the independent variable. Please clarify.
 
  • #3
im still not understanding. I understand that speed is d/t , but which time am i using; also i understand v=xf-x0/tf-t0 but what is my x value
 

Attachments

  • DIS01.pdf
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  • #4
banderson9 said:
im still not understanding. I understand that speed is d/t , but which time am i using; also i understand v=xf-x0/tf-t0 but what is my x value
Look at the three figures showing coordinate axes in the pdf file you attached. The x-value is time in all three. The y value is acceleration, velocity and position. Have you been taught how to draw graphs?
 
  • #5
kuruman said:
Look at the three figures showing coordinate axes in the pdf file you attached. The x-value is time in all three. The y value is acceleration, velocity and position. Have you been taught how to draw graphs?
not yet we are given material before we are taught, to test knowledge so i am really confused
 

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