anonymous
  • anonymous
find centroid of the region found in first quadrant bounded by y=sqrt(1-x^2),y=0,x=0 does this just basically make it not balance so that I have to find xbar and ybar? using their formulas
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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dm91
  • dm91
this question is confusing
anonymous
  • anonymous
are xbar and ybar anything other than 0?
dm91
  • dm91
what do you think it is?

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anonymous
  • anonymous
well I think none are going to be zero. I was looking at my notes and don't know how my teacher was able to determine xbar to equal zero just by looking at the problem.
ganeshie8
  • ganeshie8
You need to find the coordinates of the center of mass : |dw:1442386634593:dw|
ganeshie8
  • ganeshie8
\[\overline{x} = \dfrac{1}{A} \iint xdA =\dfrac{1}{\pi/4} \int\limits_0^1 x\sqrt{1-x^2}\, dx = ?\] \[\overline{y} = \dfrac{1}{A} \iint ydA = \dfrac{1}{\pi/4}\int\limits_0^1 \frac{1-x^2}{2}dx=?\]
anonymous
  • anonymous
I understand that, what I need help with is , how do I know if xbar or ybar will be 0 just by looking at it?
ganeshie8
  • ganeshie8
neither of them could be 0, forget math. look at the region, where do you expect the center of mass to lie ?
ganeshie8
  • ganeshie8
|dw:1442387249476:dw|
ganeshie8
  • ganeshie8
somewhere around here : |dw:1442387453637:dw|

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