What is the max bending stress in ksi about the x axis for a W12x50 beam with a 43.6 k-ft max moment

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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What is the max bending stress in ksi about the x axis for a W12x50 beam with a 43.6 k-ft max moment? Provide 2 decimals 

Designationt
W12
96
72)
50
40
35
30
Area
A, in2
28.2
211
14.6
11.7
10.3
8.79
Depth
d, in.
12.7
123
122
11.9
125
12.3
Flange
Width
by, in.
12.2
12.0
8.08
8.01
6.56
6.52
Web
Thick-
Thick-
ness
ness
t, in.
tw, in.
0.900
0.550
0.670
0.430
0.640 0.370
0.515 0.295
0.520 0.300
0.440
I. in
833
597
391
307
285
0,260 238
Axis X-X
S, in³
131
97.4
64.2
51.5
45.6
38.6
ra, in.
5.44
5.31
5.18
5.13
5.25
5.21
ly, in
270
193
56.3
44.1
24.5
20.3
Axis Y-Y
Sy, in³
32.4
13.9
11.0
7.47
6.24
ry, in.
3.09
3.04
1.96
1.94
1.54
1.52
Transcribed Image Text:Designationt W12 96 72) 50 40 35 30 Area A, in2 28.2 211 14.6 11.7 10.3 8.79 Depth d, in. 12.7 123 122 11.9 125 12.3 Flange Width by, in. 12.2 12.0 8.08 8.01 6.56 6.52 Web Thick- Thick- ness ness t, in. tw, in. 0.900 0.550 0.670 0.430 0.640 0.370 0.515 0.295 0.520 0.300 0.440 I. in 833 597 391 307 285 0,260 238 Axis X-X S, in³ 131 97.4 64.2 51.5 45.6 38.6 ra, in. 5.44 5.31 5.18 5.13 5.25 5.21 ly, in 270 193 56.3 44.1 24.5 20.3 Axis Y-Y Sy, in³ 32.4 13.9 11.0 7.47 6.24 ry, in. 3.09 3.04 1.96 1.94 1.54 1.52
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