Graphics Programs Reference
In-Depth Information
integration. Hint :
m 6s
1s
t
=
( v
/
P ) dv
which canbe derived fromNewton'slaw F
=
m ( dv
/
dt ) and the definition of power
P
=
Fv .
v (m/s)
0
1
.
0
1
.
8
2
.
4
3
.
5
4
.
4
5
.
1
6
.
0
P (kW)
0
4
.
7
12
.
2
19
.
0
31
.
8
40
.
1
43
.
8
43
.
2
3. Evaluate 1
1 cos(2 cos 1 x ) dx with Simpson's 1/3rule using 2,4and 6 panels.
Explain the results.
4.Determine 1
x 4 ) 1 dx with the trapezoidal rule using five panels and com-
pare the result with the “exact”integral0
(1
+
.
243 75. Hint :use the transformation
x 3
=
1
/
t .
5.
F
x
The table below gives the pull F of the bowas a function of the draw x . If the bow
is drawn 0
075-kg arrowwhenitleaves the bow.
Hint: the kineticenergy of arrow equals the work done in drawing the bow; that
is, mv 2
.
5m, determine the speed of the 0
.
= 0 . 5m
0
/
2
F dx .
x (m)
0
.
00
0
.
05
0
.
10
0
.
15
0
.
20
0
.
25
F (N)
0
37
71
104
134
161
x (m)
0
.
30
0
.
35
0
.
40
0
.
45
0
.
50
F (N)
185
207
225
239
250
6. Evaluate 0 x 5
2 dx by Romberg integration.
3 x 3
+
7. Estimate 0
f ( x ) dx as accuratelyas possible, where f ( x ) is definedbythe data
x
0
π/
4
π/
2
3
π/
4
π
f ( x )
1
.
0000
0
.
3431
0
.
2500
0
.
3431
1
.
0000
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