anonymous
  • anonymous
Anyone can help w/ a line integral?
Mathematics
  • Stacey Warren - Expert brainly.com
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
amistre64
  • amistre64
i can try :)
amistre64
  • amistre64
the suspense is killing me....
anonymous
  • anonymous
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

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anonymous
  • anonymous
sorry it took some time to type
anonymous
  • anonymous
and it's 0<=t<=2pi sorry
amistre64
  • amistre64
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 ;)
anonymous
  • anonymous
ok, but it's a problem in my line integrals section. yeah, i hate vectors too
amistre64
  • amistre64
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 :)
anonymous
  • anonymous
you took multivariate calculus right? i'm surprised, my book went into vectors from the beginning
amistre64
  • amistre64
I have tried to read about multivariables, but at the moment I am still trying to grasp inegrating single variables...
amistre64
  • amistre64
or rather, dependant variables of the singular nature lol
anonymous
  • anonymous
oh. but you know about line integrals? like integrate (y/x)ds where the curve is x=t^4 and y=t^4?
anonymous
  • anonymous
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
anonymous
  • anonymous
oh gosh
amistre64
  • amistre64
I know of:\[\int\limits_{}\sqrt{[f'(x)]^2 + [g'(x)]^2} dx\]
anonymous
  • anonymous
mathfool, i don't think anyone around has the knowlege to answer that

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