Sorry about the diagram its meant to be as though you were looking at the I. The u fitting runs the length of the beam, and it as at least as wide as the beam. I wouldn't think it was of negligible size. It isn't intended to apply load to the top of the I beam.
Homework Statement
This isn't homework, but I thought I would post it here as maybe more people would see it, and as I am not an engineer, it requires someone with more experience. The section is effectively an I beam with a hollow u shaped fitting along the top (see my rough sketch). I just...
Ah now I see for the flux part;
Look at each quadrant {x,y>0} {x,y<0} {x>0, y<0} and {x<0,y>0}
When x, y> 0, The integral evaluates to a value.
Let ∫CF.n ds = f
Then for x,y<0
the integral becomes ∫F( -P, -Q) .n ds = - f
Then for x> 0, y< 0
∫F(P(x,-y), Q(x,-y)).n ds= a ≠f...
Homework Statement
Let F(x,y) = ( P(x,y), Q(x,y)) be a vector field that is continuously differentiable along the closed smooth curve C : x2+y2 = 1. Moreover let
-F(x,y) = F( -x, -y)≠ 0 and
P(x,y) = -P(-x,y) and Q(x,y) = Q(-x,y).
Determine all the possible values of the circulation...
Hello,
I have a relatively simple problem, You have two columns filled with numbers. I want my macro to go through and check the columns or one of the colums to see if it has a number in it, then operate on those numbers and display an output in a third column .
I tried this;
Sub...
@JJacquellin
Sorry I should have been a bit clearer, f(s,t) is unknown. We are given g(t) and g(s). So then f is actually f(a,b,s,t), as you said? I think I can see where this is going but would you mind elaborating on how we can use FTC and the chain rule. I am still not 100% sure.
Thanks
Yeah s and t are independent, but isn't the problem the fact that a and b are constants,and we don't know what f is, and as such the FTC doesn't really get us anywhere useful?
Homework Statement
Show that the curve r = (t2,t3-t) Intersects itself at (1,0), and find the slopes of the tangents at this point.
Homework Equations
The Attempt at a Solution
Okay I can show it intersects itself there, but what I am having trouble with is when they say slopes...
You are close, you just need to change a few things. Also Do you have to use a trig function? What about x/1-x2, that maps (-1,1) -> ℝ, could you modify that?
Homework Statement
Let X1 and X2 be random variables having a joint pdf, fX1X2(x1,x2). Suppose that Y1=X1X2, and Y2=X1X2 Use the transformation result to derive an expression for the joint pdf of Y1 and Y[SUB]2
in terms of that for X1 and X2
Homework Equations
The single random...