3
Assignment
Section
X
5 4
#4
.
3(y 2)
from
+
=
)
=
[g(y]"dy
1 +
(11
=
y
=
y
g'(y)
19
+2 ay
+
+o
0
1
y xy
=
(!
=
=
1
2
+
y"
+
2yay
+
=
(o(y2 1)dy
+
=
y
=
y)
=
+ 1-(0) :
5 5
Section
x
y3
=
3
s
#6
:
.
- y)1
0
,
(259(y)/1 [g' (y17 dy
-
=
g'(y)
+
=
(!
y3(1 (3y22dy
( +
Citat 2 d
T11
=
+
9
.
1" (1 + 9
.
1")
-
:
+
#(1
9
+
27
.
t
=
at
=
9y4
36y3 dy
1 +
= 22yY
=
-
34
2π) y3x1 ay" dy
=
+
=
!
.
O
0 " (1 + 9
.
04)
10
=
X
-
π
27
27
-
Section
5 6
#20
:
.
↑
How
much
below
the
the
fill
work
is
required
to
if
the
water
pumped
top
is
swimming
pool
through
an
opening
187200
lb
the
In
pool ?
Volume =
10ft 13 ft
weight of
water
Work
=
187200
.
3000
=
16
:
20ft
ft3
10ft
3000
=
.
=
62
.
4
f
16/ft2
1872 , 000
=
ft.lb
.
-
in
10 ft deep
Exercise
located
,
19
at
15ft wide
to
the
,
20ft
long
Ift
bottom
of
3 7
Section
The
#18
:
.
by
bounded
region
Intersection
pis
V
:
graphs
the
X
X - coordinates
x
y-coordinates
-
centrad
Section
5 8
An
fluid
Oll
tank
force
of
XT
0,
=
0
1
y
=
x3
·
(o (vi xi)dx
=
·
and
-
=
=
=
z)(x
*
-
x)a
=
.
is
-
(x)ax = - =
(
#10
:
.
all
1)
-
x3)ax
((
The
Area
:
.
(x(v
=
=
y
y6
=
X(x5
X
3
X
=
of
is
shaped
a
right
one
end
when
density
50
1b/ft ?
against
weight
like
circular
the
axis
is
cylinder
of
horizontal
and
diameter
the
tank
4 ft.
is
half
Find
filled
the
total
with