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ksaimouli

  • 3 years ago

describe the motion of the particle

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  1. ksaimouli
    • 3 years ago
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    |dw:1352072429317:dw|

  2. ksaimouli
    • 3 years ago
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    t >=0

  3. ksaimouli
    • 3 years ago
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    @zepdrix

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

  5. ksaimouli
    • 3 years ago
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    |dw:1352072565266:dw|

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

  7. ksaimouli
    • 3 years ago
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    is this right

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

  9. Algebraic!
    • 3 years ago
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    Vi =-4 a=2

  10. ksaimouli
    • 3 years ago
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    so how to approach it then

  11. Algebraic!
    • 3 years ago
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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.

  12. Algebraic!
    • 3 years ago
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    that's it.

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

  14. ksaimouli
    • 3 years ago
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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

  15. ksaimouli
    • 3 years ago
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    i dont know how they got it

  16. ksaimouli
    • 3 years ago
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    @Algebraic!

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

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

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

  20. ksaimouli
    • 3 years ago
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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

  21. ksaimouli
    • 3 years ago
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    |dw:1352073305950:dw|

  22. ksaimouli
    • 3 years ago
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    this was the question

  23. Algebraic!
    • 3 years ago
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    ...

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

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

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