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ksaimouli

describe the motion of the particle

  • one year ago
  • one year ago

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  1. ksaimouli
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    |dw:1352072429317:dw|

    • one year ago
  2. ksaimouli
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    t >=0

    • one year ago
  3. ksaimouli
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    @zepdrix

    • one year ago
  4. ksaimouli
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    what i did is for velocity =0 to find the critical points

    • one year ago
  5. ksaimouli
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    |dw:1352072565266:dw|

    • one year ago
  6. ksaimouli
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    so from (-inf,2) left and (2,inft) right

    • one year ago
  7. ksaimouli
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    is this right

    • one year ago
  8. Algebraic!
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    no, it's a particle that's moving left initially, and accelerating to the right...

    • one year ago
  9. Algebraic!
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    Vi =-4 a=2

    • one year ago
  10. ksaimouli
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    so how to approach it then

    • one year ago
  11. Algebraic!
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    you're right that it has V=0 at t=2, but other than that, I'm not sure what your trying to say.

    • one year ago
  12. Algebraic!
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    that's it.

    • one year ago
  13. Algebraic!
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    initially moving left, accelerating right, 'turning around' at t=2, then heading right (and accelerating) forever.

    • one year ago
  14. ksaimouli
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    the answer is it begins at a position 3 moving in a negative direction.it moves to position -1 when t=2 and then changes direction moving in a positive direction thereafter

    • one year ago
  15. ksaimouli
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    i dont know how they got it

    • one year ago
  16. ksaimouli
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    @Algebraic!

    • one year ago
  17. Algebraic!
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    you left something out then, there's nothing about position in your statement.

    • one year ago
  18. Algebraic!
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    what's that second line supposed to be? I guessed it was a=2...

    • one year ago
  19. Algebraic!
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    is it supposed to be d(0)=2 or something?

    • one year ago
  20. ksaimouli
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    a particle is moving along the x axis with position functionx(t) find the (a) velocity (b) acceleration (c)describe the motion of the particle at t>=0

    • one year ago
  21. ksaimouli
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    |dw:1352073305950:dw|

    • one year ago
  22. ksaimouli
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    this was the question

    • one year ago
  23. Algebraic!
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    ...

    • one year ago
  24. Algebraic!
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    when t=0 x=3

    • one year ago
  25. Algebraic!
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    when V= 0, t=2 and x=?

    • one year ago
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