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anonymous

  • 5 years ago

Anyone can help w/ a line integral?

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  1. amistre64
    • 5 years ago
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    i can try :)

  2. amistre64
    • 5 years ago
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    the suspense is killing me....

  3. anonymous
    • 5 years ago
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    ok, Find the work done by the force field F(x,y)=xi+(y+2)j in moving an object along an arch of the cycloid, r(t)=(t-sin(t))i+(1-cos(t))j, where 0<=t<=2

  4. anonymous
    • 5 years ago
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    sorry it took some time to type

  5. anonymous
    • 5 years ago
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    and it's 0<=t<=2pi sorry

  6. amistre64
    • 5 years ago
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    ahhh..vectors with the i and the j and the stuff...... you tricked me :) sorry, but thats a little outta my league for the moment ;)

  7. anonymous
    • 5 years ago
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    ok, but it's a problem in my line integrals section. yeah, i hate vectors too

  8. amistre64
    • 5 years ago
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    i just havent had the guts to look into vectors; I know they are just arrows pointing in directions....but for some reason I just havent got the nerve to tackle them yet :)

  9. anonymous
    • 5 years ago
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    you took multivariate calculus right? i'm surprised, my book went into vectors from the beginning

  10. amistre64
    • 5 years ago
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    I have tried to read about multivariables, but at the moment I am still trying to grasp inegrating single variables...

  11. amistre64
    • 5 years ago
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    or rather, dependant variables of the singular nature lol

  12. anonymous
    • 5 years ago
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    oh. but you know about line integrals? like integrate (y/x)ds where the curve is x=t^4 and y=t^4?

  13. anonymous
    • 5 years ago
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    wait till you get to surface integrals, yo can someone show me how to do a non homogenous heat equation i skipped lectures and im lost

  14. anonymous
    • 5 years ago
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    oh gosh

  15. amistre64
    • 5 years ago
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    I know of:\[\int\limits_{}\sqrt{[f'(x)]^2 + [g'(x)]^2} dx\]

  16. anonymous
    • 5 years ago
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    mathfool, i don't think anyone around has the knowlege to answer that

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