Recent content by hils0005

sorry, simply supported rigid beam, reaction only in the y direction, no x or moment

for one of my drafting classes I have to design a beam. The beam needs to carry a concentrated load at the midpoint. some parameters: 4ft span total materials must weigh under 12oz Pin reactions at the ends the person last year that won(highest load) made a simple I joist out of Balsa...

1. Homework Statement [/b] Given: C2CL4 + Fe \rightarrow C2H4 + CL- + Fe2+ A reservoir contains 5million gallons of water which is contaminated with 4.2mg/L of Perchloroethene(C2CL4). You want too reduce it to harmless ethene(C2H4) by reacting it with Fe. because of this only about 20g...

that is how I did the problem initially however, the problem says it is in the counterclockwise direction which I would think y goes from 5 to 2, and x from 0 to y-2. (which is only half of what I did) Can anyone explain this?

Great idea, thanks for your help

its late...what else can i say I don't know what to use for t going from 0 to 1 y=pi t + pi y(0)=pi y(1)=2pi y=pit - pi y(0)=-pi y(1)=pi t - pi=0

x=t-1 y=pit^2 z=t-1

x=t-1 y= pi t + t z=t-1 t goes from -2 to -1, would that work?

that it is path independent or conservative?

dF2/dx - dF1/dy =0 z-z=0 dF3/dy - dF2/dz =0 (-e^zsiny + x) + (-x + e^zsiny) = 0 dF1/dz - dF3/dx = 0 y-y=0 Curl test?? how does that help?

Homework Statement Calculate \intF dr if C = C1 + C2 where C1 is the line segment from P1(-1,pi,-1) to P2(0,0,0) and C2 is the line segment from P2(0,0,0) to P3(2,0,4) vectorF= yz i + (xz - e^(z)siny) j + (e^(z)cosy + xy) k The Attempt at a Solution Im having problems setting up the...

Homework Statement Calculate the total flux of vectorF(x,y,z)=8x^2y i + 6yz^2 j + y^3z k outward through the cube whose verticies are(0,0,0), (1,0,0), (1,1,0), (0,1,0), (0,0,1), (1,0,1),(1,1,1), (0,1,1). Homework Equations \int\int \widehat{}F \bullet (-partial z/dx i -partial z/dy j +...

Homework Statement Use Green Theorem to calculate \oint\widehat{}F \bullet d\widehat{}r where C is the closed triangular curve oriented counterclockwise with verticies P1(0,5), P2(0,2) and P3(3,5). vectorF(x,y)= xy^2 i + 4xy j Homework Equations The Attempt at a Solution I first...

Obviously I 'm confused by Parametrizations the given function is in the form y= f(x,z) x=cos(theta) y=lnx z=sin(theta) theta from 0 to 2pi x from 1 to 10

yes it should be ay^3z j, Thanks!