Conservative Vector Field - Calculus III - Exam, Exams of Advanced Calculus

Conservative Vector Field, Potential Function, Green’s Theorem, Oriented Counterclockwise, Mass Density Function, Compute Mass, Center of Mass, Order of Integration, Calculate Integral, Values of Function. Above given points are from questions of this past exam paper. Its past exam paper of Calculus III.

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2012/2013

Uploaded on 03/16/2013

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MA-227, Calculus III
Common Final Test
April 29, 2011
Time available: 150 min
Each problem is 10 points
Print your name:
Sign here:
1. Determine whether or not
~
F(x, y) = (eyysin x)
~
i+ (xey+ cos x)~
j
is a conservative vector field, and if yes, find a potential function ffor it.
1
pf3
pf4
pf5
pf8
pf9
pfa

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MA-227, Calculus III Common Final Test April 29, 2011

Time available: 150 min Each problem is 10 points Print your name:

Sign here:

  1. Determine whether or not

F^ ~ (x, y) = (ey^ − y sin x)~i + (xey^ + cos x)~j

is a conservative vector field, and if yes, find a potential function f for it.

  1. Use Green’s Theorem to evaluate

C F~ · d~r, where

F^ ~ (x, y) = 〈sin x − 3 x^2 y, cos y + 3xy^2 〉,

and C is the circle x^2 + y^2 = 4 oriented counterclockwise.

  1. The solid B lies inside the cylinder x^2 +y^2 = 1 and inside the sphere x^2 +y^2 +z^2 =
  2. Calculate its volume.
  1. Evaluate the integral by reversing the order of integration.

∫ (^16)

0

y^1 /^4

ex

5 dxdy.

  1. Find the minimum and maximum values of the function f (x, y, z) = 5y(x + z) subject to the constraints xy = 1 and y^2 + z^2 = 3.
  1. We know that x, y, and z are positive numbers the sum of which is equal to 1. Maximize the value of xyz^4.
  1. Let z = y^2 sin x, x = tuv, y = u^2 + tv. Find ∂z/∂t, ∂z/∂u, and ∂z/∂v when t = 3, u = 2, v = 0.
  1. Find the work done by the force field F~ moving an object from P (1, 1) to Q(5, 5), where

F^ ~ (x, y) = x^5 /^2 ~i + x√y~j.