Let F = < a?eUZ, xe*z, z?e"y > . Use Stokes' Theorem to evaluate curlF · dS , where S is the hemisphere x? + y? + z2 = 9, z > 0, oriented upwards

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 36E: Find the area of ABC In Exercise 35, but assume that C is the reflection of B across the y-axis.
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How can i solve this exercise?

Let F = < x?eUZ, xe²², z²e#y > .
curlF · d§ , where
Use Stokes' Theorem to evaluate
S is the hemisphere x? + y? + z? = 9, z > 0, oriented upwards
Transcribed Image Text:Let F = < x?eUZ, xe²², z²e#y > . curlF · d§ , where Use Stokes' Theorem to evaluate S is the hemisphere x? + y? + z? = 9, z > 0, oriented upwards
Expert Solution
Step 1

Given that, F=x2eyz,xexz,z2exy

Given hemisphere that S:x2+y2+z2=4,z0

From stoke's theorem,

Scurl  F.dS=CF.dr

A parametrization is:

x=rcosθx=2cosθy=rsinθx=2sinθz=0

So, F=4cos2θ,2cosθ,0 and r(θ)=2cosθ,2sinθ,0 then, dr=-2sinθ,2cosθ,0

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