For the following exercises, show that the following vector fields ate conservative by using a computer. Calculate ∫ c F . d r for the given curve. 136. F = ( x y 2 + 3 x 2 y ) i + ( x + y ) x 2 j ; C is the curve consisting of line segments from (1, 1) to (0, 2) to (3, 0).
For the following exercises, show that the following vector fields ate conservative by using a computer. Calculate ∫ c F . d r for the given curve. 136. F = ( x y 2 + 3 x 2 y ) i + ( x + y ) x 2 j ; C is the curve consisting of line segments from (1, 1) to (0, 2) to (3, 0).
For the following exercises, show that the following vector fields ate conservative by using a computer. Calculate
∫
c
F
.
d
r
for the given curve.
136.
F
=
(
x
y
2
+
3
x
2
y
)
i
+
(
x
+
y
)
x
2
j
;
C is the curve consisting of line segments from (1, 1) to (0, 2) to (3, 0).
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.
Let F(t) = (1, ²,4) and P = (2, 10, 4).
Consider the curve C parametrized by F(t). Compute a tangent vector (t), a unit tangent vector ū(t), and the tangent vector of C at the point P.
(Note: You can type sqrt for a square root. For example, WeBWork reads sqrt(10t) as √10t.)
7' (1) = (
]).
=(
u(t) =
Tangent vector at P =
Consider the following vector functions:
r(t)= tcost i + 2t sint j + 2 tk for t ≥ 0 t≥ 0.a. The function r(t) describes a curve that lies on a cone with equation √(4x2+y2)
b. The function r(t) describes a curve that lies on a cone with equation √(1/4 x2 + y2)c. The function r(t) describes a curve that lies on a cone with equation √(2x2+y2)d. The function r(t) describes a curve that lies on a cone with equation √(1/2 x2+y2)
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