Friday, December 19, 2014

12 Days of Physics

READ

DUE 1st Class after BREAK 
no exceptions this was discussed and announced in Class 12/19/14
Failure to complete this assignment in the manner prescribed will result in a failing grade and make it difficult to pass the quarter.


Print out and complete the quest.  Printer does not work answer on a separate piece of paper.
QUEST

You MAY discuss the questions openly on the BLOG.
You MAYNOT post answers

52 comments:

  1. for number 14 does it mean from the starting point or end

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  2. What does it mean when it says "displacement" for number 8?

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    1. Displacement means the overall change in the buggy's position or the difference between the final and initial location of the buggy.

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  3. I'm confused on how to do numbers 29-30.

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    1. Use the graph withe the 3 motions... It's basically asking you to read the graph of specific points...

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  4. hi im confused on number 8 is it asking the same question as number 7?

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    1. I'm pretty sure #7 is asking for the distance the buggy traveled while #8 is asking for the buggy's final location. This website explains it better than I can: http://www.physicsclassroom.com/Class/1DKin/U1L1c.cfm

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  6. I am confused about numbers 6,7,8. And for number 6 is the answer choice b supposed to be where the buggy began at the beginning of the event instead of the end.

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    1. I'm having the same issue, I don't think any of them make sense....

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    2. What does the y intercept represent? Look at you lab.

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    3. But isn't the y intercept where the buggy is when zero seconds have passed? That would be the beginning. I don't understand either.

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    4. for number 6 none of the choices make sense...I think I'm just going to write a comment about it on the test

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  7. I am confused about number 14 because it looks like the answers are describing the starting position instead of the final like answered in previous question.

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  8. I am confused about the graphs corresponding with numbers 15-20 and 21-30. Are the numbers on the x-axis on both graphs supposed to be lined up with the little lines. Thanks

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    1. Yeah I'm having the same problem

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    2. Yes that is an issue how ever you interpret it is fine just state your interpretation.

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  9. Is slope constant or changing? If you can't tell me where can I find out?

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    1. The slope of a straight line is always contant.
      A horizontal line is constant and zero. Which also means that what ever the meaning of the slope must be the same.

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  10. Replies
    1. I used this to understand: https://www.youtube.com/watch?v=gC0hlJlbu1A

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    2. Great question. Draw a cartoon like picture that shows how the car is changing.

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    3. I watched the video multiple times and still do not understand. Is there a website I can look at for help?

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    4. I drew little pictures for each question on the buggy lab that should be the same thing as motion maps. I sent you a picture via instagram

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    5. Please do not send answers that can not be posted...

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  12. I do not understand #14, can someone clarify what it is asking?

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  13. Which graph do I use for questions 29-30?

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  14. No graphs... Use the equations for a and b. You could sketch the graphs from the equations... I hope this clears it up...

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  15. I plugged in the position for the y value. Is that right?

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  16. What would y be in the equation for #1?

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  17. would someone please post an example of an equation written in terms and units correctly?

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  18. if something is, for example,
    meters per (divided by) seconds,
    multiplied by seconds, seconds cancels, right?
    If seconds cancels, what is the unit for x in y=mx+b?

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  19. for number 15 in that graph, are the numbers determined by the tick marks or the placement of the numbers themselves?

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    1. mr.crane said you can do it either way just state which way you did

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  20. was 12 days of physics the quest or that worksheet you gave us? If its the worksheet wich questions are we supposed to complete?

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    1. 12 days of physics is the quest linked on the 12 days of physics post. We must do all of the questions.

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  21. In #22, we're writing equations for A and B, but they're not related to the rest of #22, are they?

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  22. For numbers 25 and 26, what does it mean by "ahead of the origin?" Is that asking if the y-intercept is negative or positive?

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  23. For number 14 the answer i have isn't one of the choices

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    1. same here, i thought it ment the final distances of the 3 (which one had traveled the longest)

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