In the following exercises, find the work done by force field F on an object moving along the indicated path. 68. Let F be vector field F ( x , y , ) = ( y 2 + 2 x e y + 1 ) i + ( 2 x y + x 2 e y + 2 y ) j . Compute the work of integral ∫ c F . d r , where C is the path r ( t ) = sin t i + cos t j , 0 ≤ t ≤ π 2 .
In the following exercises, find the work done by force field F on an object moving along the indicated path. 68. Let F be vector field F ( x , y , ) = ( y 2 + 2 x e y + 1 ) i + ( 2 x y + x 2 e y + 2 y ) j . Compute the work of integral ∫ c F . d r , where C is the path r ( t ) = sin t i + cos t j , 0 ≤ t ≤ π 2 .
In the following exercises, find the work done by force field F on an object moving along the indicated path.
68. Let F be vector field
F
(
x
,
y
,
)
=
(
y
2
+
2
x
e
y
+
1
)
i
+
(
2
x
y
+
x
2
e
y
+
2
y
)
j
.
Compute the work of integral
∫
c
F
.
d
r
,
where C is the path
r
(
t
)
=
sin
t
i
+
cos
t
j
,
0
≤
t
≤
π
2
.
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.
2. Suppose f(x) = 3x² - 5x. Show all your work for the problems below.
write it down for better understanding please
1. Suppose F(t) gives the temperature in degrees Fahrenheit t minutes after 1pm. With a
complete sentence, interpret the equation F(10) 68. (Remember this means explaining
the meaning of the equation without using any mathy vocabulary!) Include units. (3 points)
=
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