Determine whether the statement is true or false. Explain your answer. The vector -valued function F( x , y ) = y i + x 2 j + x y k is an example of a vector field in the x y - plane .
Determine whether the statement is true or false. Explain your answer. The vector -valued function F( x , y ) = y i + x 2 j + x y k is an example of a vector field in the x y - plane .
Determine whether the statement is true or false. Explain your answer.
The vector-valued function
F(
x
,
y
)
=
y
i
+
x
2
j
+
x
y
k
is an example of a vector field in the
x
y
-
plane
.
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.
4. Use method of separation of variable to solve the following wave equation
მłu
J²u
subject to
u(0,t) =0, for t> 0,
u(л,t) = 0, for t> 0,
=
t> 0,
at²
ax²'
u(x, 0) = 0,
0.01 x,
ut(x, 0) =
Π
0.01 (π-x),
0
Solve the following heat equation by method of separation variables:
ди
=
at
subject to
u(0,t) =0, for
-16024
ძx2 •
t>0, 0 0,
ux (4,t) = 0, for
t> 0,
u(x, 0) =
(x-3,
\-1,
0 < x ≤2
2≤ x ≤ 4.
ex
5.
important aspects.
Graph f(x)=lnx. Be sure to make your graph big enough to easily read (use the space given.) Label all
6
33
Chapter 15 Solutions
Calculus Early Transcendentals, Binder Ready Version
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