let us also assign to n the orientation

deepa Varakala

deepa Varakala

Answered question

2022-05-01

 

let us also assign to n the orientation in the direction of increasing x value. then compute surface integral over n of the vector field k on R3 plane given byh(x,y,z)=(y,0,z)(x,y,z)

 

 

 

 

 

 

 

Answer & Explanation

alenahelenash

alenahelenash

Expert2023-05-02Added 556 answers

We are given a vector field F in 3 as:
F(x,y,z)=0,0,1
And, we are given a surface S in 3 with parameterization:
h(x,y,z)=y,0,z
where S is the plane in 3 defined by this parameterization.
We are asked to find the surface integral of F over the surface S with an orientation in the direction of increasing x values.
To compute the surface integral, we can use the formula:
SF·dS=RF(h(u,v))·(hu×hv)dA
where R is the region in the uv-plane that corresponds to the surface S under the parameterization h(u,v), and hu and hv are the partial derivatives of h with respect to u and v.
First, we need to find hu and hv:
hu=0,0,0
hv=0,1,0
Next, we need to find the region R in the uv-plane. The parameterization of S tells us that y can take on any value and z can take on any value, so we have:
R={(u,v)2 | 0u1,0v1}
Now, we can evaluate the surface integral:
SF·dS=RF(h(u,v))·(hu×hv)dA
F(h(u,v))=F(y,0,z)=0,0,1
hu×hv=0,0,1
Therefore,
SF·dS=R0,0,1·0,0,1dA
=R0dA=0
Thus, the surface integral over S of the vector field F is 0.

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