Instantaneous Velocity

  • Thread starter Jane W
  • Start date
  • #1
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Homework Statement


I am having trouble with the last question my teacher gave me. I have attached a picture. It is about instantaneous velocity. I did the same thing for all the other questions?[/B]

Screen Shot 2014-09-25 at 7.50.10 PM.png


Homework Equations


average velocity = delta x / delta t


The Attempt at a Solution


I did 0-(-6)/(8-7) = 6[/B]
 

Answers and Replies

  • #2
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I figured it out. Apparently the tip of the line is not on 6 but on 5. I think that is not very visible.
 
  • #3
Simon Bridge
Science Advisor
Homework Helper
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Well done :)
When graphs have a fat line, the pointy-bits can cover a lot of ground. Always read to the middle of the line - use a ruler if you can.
For the future - please show your working. That would make how you are thinking clear so we can best help you.
Don't worry about looking stupid - we have all done stupider things than you: we understand ;)
 

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