For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S . Round to four decimal places. 302. Compute ∬ s F ⋅ N d S , where F ( x , y , z ) = x i − 5 y j + 4 z k : and N is an outward normal vector S , where S is the union of two squares S 1 : x = 0 , 0 ≤ y ≤ 1 , 0 ≤ z ≤ 1 and S 2 : z = 1 , 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 .
For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S . Round to four decimal places. 302. Compute ∬ s F ⋅ N d S , where F ( x , y , z ) = x i − 5 y j + 4 z k : and N is an outward normal vector S , where S is the union of two squares S 1 : x = 0 , 0 ≤ y ≤ 1 , 0 ≤ z ≤ 1 and S 2 : z = 1 , 0 ≤ x ≤ 1 , 0 ≤ y ≤ 1 .
For the following exercises, approximate the mass of the homogeneous lamina that has the shape of given surface S. Round to four decimal places.
302. Compute
∬
s
F
⋅
N
d
S
, where
F
(
x
,
y
,
z
)
=
x
i
−
5
y
j
+
4
z
k
: and N is an outward normal vectorS, where S is the union of two squares
S
1
:
x
=
0
,
0
≤
y
≤
1
,
0
≤
z
≤
1
and
S
2
:
z
=
1
,
0
≤
x
≤
1
,
0
≤
y
≤
1
.
Quantities that have magnitude and direction but not position. Some examples of vectors are velocity, displacement, acceleration, and force. They are sometimes called Euclidean or spatial vectors.
1 2
²²²(x + y - z) dz dy dx
9
92
27
8
27
2
A O
.BO
.C
.D O
Q4.
x-y plane. Let V be the enclosed volume of the hemisphere. A vector function F is
defined as F= 2xz, yz, z
Let S be the closed surface formed by the hemisphere x+y +z =a² , zz0, and the
(a)
Evaluate the surface integral
FindS directly, where n is the outward
pointing unit normal vector on S.
Evaluate the surface integral in (a) using the Divergence Theorem of Gauss
Let w y dy Adz-z dz/dz + z dz/ dy be a two-form on R³. Evaluate its surface integral I along the
upper hemisphere (that is, the region with z 20) of the sphere
2² + y² +2²=36,
with the orientation given by the normal vector pointing towards the origin.
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