- #1
kthejohn
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Homework Statement
Flux integral:
S is the portion of the cylinder with these cylindrical coordinates:
0<=z<=3 r=1 0<=theta<=pi/2
orient S with outward normal vectors from z-axis and compute the flux of F = <2x,y,-3z> across S
Homework Equations
Flux integral ∫∫SFdS = ∫∫S F (ruxrv)dS
The Attempt at a Solution
i know that i should convert double integral but don't know how to get the partial derivs. with respect to r and theta of the portion of the cylinder but i figured out that F should be <2costheta, sintheta, -3z>