Ldaniel
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 42
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 11
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0 
Questions Asked

Ldaniel:
Group Title
Consider the 2dimensional force field F = (4e^(2x)+3y^3) i +9xy^2 j
a) is F conservative? find a potential function f(x,y) whose gradien…
 updated 3 months ago
 73 replies
 3 Medals
Mathematics

Ldaniel:
Group Title
rewrite the integral in spherical and cylindrical coordinates
 updated 3 months ago
 6 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
consider the contour diagram for the function f(x, y)
 updated 3 months ago
 40 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
an asteroid is a cylindrical mass of ice, 100km tall and radius 5km. the density of the asteroid varies linearly along its long dimension, v…
 updated 3 months ago
 24 replies
 No Medals Yet
Mathematics

Ldaniel:
Group Title
Let S be the parabolid x^2+y^2+z = R^2 , 0<z<R^2, oriented upward and let F = xi + yj +z^2k. find the flux of the vector field F through the…
 updated 3 months ago
 39 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
let H(x,y,z) = x^2+y^2+2z^2, and S be the level surface H(x,y,z)= 4. find the coordinates of a point P on the surface S where the tangent pl…
 updated 3 months ago
 46 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
let f(x,y) = squareroot(1+4x+y^2) and let P be the point (1,2)
a) at P what is the direction of maximal increase for the function f? giv…
 updated 3 months ago
 92 replies
 4 Medals
Mathematics

Ldaniel:
Group Title
Find the volume between
z = squareroot(x^2 + y^2)
and
…
 updated 3 months ago
 59 replies
 5 Medals
Mathematics

Ldaniel:
Group Title
The density of material at any point in a solid cylinder, y^2 + z^2 ≤ a^2, 0 ≤ x ≤ b is proportional to the distance of the point from the x…
 updated 3 months ago
 36 replies
 No Medals Yet
Mathematics

Ldaniel:
Group Title
find curlF
F= (yi+xj)/(x^2+y^2)^4
 updated 3 months ago
 82 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
(a) Let
F = (4x + 3y) i + (3y + 8z) j + (8z + 4x)k
…
 updated 3 months ago
 51 replies
 4 Medals
Mathematics

Ldaniel:
Group Title
Let F = (−2x + sin(yz)) i + (4y + sin(xz)) j + (3z + sin(xy)) k
Let S be the cube of side length 2 centered at (4, 0, 0) and with face…
 updated 3 months ago
 56 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
(a) Let F = 5y i + 2 j − k and C be the line from (3, 2, 2) to (6, 1, 7).
Find integral_C F · dr=
…
 updated 3 months ago
 70 replies
 4 Medals
Mathematics

Ldaniel:
Group Title
Let S be the part of the surface
z = 16 − (x^2 + y^2)^2
above the xyplane, oriented upward. Let D be the disk in the xyplane given by …
 updated 3 months ago
 18 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
F = (11y^2 + ln(3x^2 + 1)) i − (11x^2 + sin(8y^2)) j
…
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
a) If f is a smooth function, then
curl(gradf) = 0 i + 0 j + 0 k
…
 updated 3 months ago
 13 replies
 No Medals Yet
Mathematics

Ldaniel:
Group Title
Let F = (ax + by + 10z) i + (x + cz) j + (7y + mx) k
where a, b,c, and m are constants.
…
 updated 3 months ago
 21 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
Let
F = ay i + bz j + cx k
…
 updated 3 months ago
 7 replies
 1 Medal
Mathematics

Ldaniel:
Group Title
Let
F = (z − y) i + (x − z) j + (y − x) k
…
 updated 3 months ago
 42 replies
 No Medals Yet
Mathematics

Ldaniel:
Group Title
Let
F = (8x − y) i + (x + 7y) j
and C be the circle of radius 10, centered at the origin.
…
 updated 3 months ago
 1 reply
 No Medals Yet
Mathematics

Ldaniel:
Group Title
12. –/3 points My Notes
Question Part
Points…
 updated 3 months ago
 16 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
Find the flux of
F = x^3 i + y^3 j + z^3k
through the closed surface bounding the solid region
…
 updated 25 days ago
 45 replies
 8 Medals
Mathematics

Ldaniel:
Group Title
Let W be the solid bounded by the paraboloid
x = y2 + z2
and the plane x = 4. Let
…
 updated 4 months ago
 57 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
Suppose
G
is a vector field with the property that
…
 updated 4 months ago
 27 replies
 4 Medals
Mathematics

Ldaniel:
Group Title
Use the Divergence Theorem to calculate the flux of
F = x^2 i + (4y − 2xy) j + 5z k
through a sphere of radius 3 centered at the or…
 updated 4 months ago
 17 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
Find the flux of the vector field
H = 4xy i + z^2 j + 12y k
out of the closed box 0 ≤ x ≤ 3, 0 ≤ y ≤ 2, 0 ≤ z ≤ 8.
 updated 4 months ago
 20 replies
 6 Medals
Mathematics

Ldaniel:
Group Title
Suppose
F
is a vector field with
…
 updated 4 months ago
 9 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
A small sphere of radius 0.1 surrounds the point
(3, 5, −1).
The flux of a vector field
…
 updated 4 months ago
 13 replies
 2 Medals
Mathematics

Ldaniel:
Group Title
A vector field F has the property that the flux of F out of a small cube of side 0.01 centered around the point (2, 9, 11) is 0.002. Estima…
 updated 4 months ago
 7 replies
 No Medals Yet
Mathematics

Ldaniel:
Group Title
A small sphere of radius 0.1 surrounds the point
(3, 5, −1).
…
 updated 4 months ago
 No Medals Yet
Mathematics
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