Information Technology Reference
In-Depth Information
Fig. 1.12
The figure
illustrates a
circle
with unit
radius. The marked segment
has length =4
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
−0.8
−1
−1 −0.8−0.6−0.4−0.2
0
0.2 0.4 0.6 0.8
1
Fig. 1.13
One patch of the
200
cable
180
160
140
120
100
80
60
40
20
0
0
50
100
150
200
250
y.x/
D
0:003x
2
;
where x goes from x
D
0 to x
D
250 meters, see Fig.
1.13
. Use formula (1.51)
to show that the total length of the entire cable, counting both sides of the bridge,
is given by
L
D
4
Z
250
0
p
1
C
.0:006x/
2
dx:
(i) Use the composite trapezoidal scheme to estimate
14
L:
14
Using n
D
100,wegetL
4
324:91
D
1299:6 m.
