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igit of matrix no is (8) fifth digit of matrix no is (0) so A;8   and B;0

igit of matrix no is (8) fifth digit of matrix no is (0) so A;8   and B;0

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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last digit of matrix no is (8)

fifth digit of matrix no is (0)

so A;8   and B;0

|P1 A tAB -dAB P2 B -dBC tBC Figure Q1 (a)
Transcribed Image Text:|P1 A tAB -dAB P2 B -dBC tBC Figure Q1 (a)
Q1 (а) A hollow circular post ABC as shown in Figure Q1 (a) supports a load P = 65B5 N acting at the top. P, is applied around the cap plate at B. The outer diameters and thicknesses of the upper and lower parts of the post are dAB = 30 mm, tAB =1A mm, drc = 50 mm, and trc =9 mm , respectively. The value of A and B are given by: A=the last digit of your matrix number B=the fifth digit of your matrix number For example, a student with the matrix number CD200123 will have the values of P = 6525 N and tAR =13 mm. (i) Calculate the normal stress o R on the upper part of the post. (ii) If it is desired that the lower part of the post have the same compressive stress as the upper part, what should be the magnitude of the load P,? (iii) If P, remains at 65B5 N and P, is now set at 10050 N, what is the new thickness of BC that will result in the same compressive stress in both parts? Activat .. idows
Transcribed Image Text:Q1 (а) A hollow circular post ABC as shown in Figure Q1 (a) supports a load P = 65B5 N acting at the top. P, is applied around the cap plate at B. The outer diameters and thicknesses of the upper and lower parts of the post are dAB = 30 mm, tAB =1A mm, drc = 50 mm, and trc =9 mm , respectively. The value of A and B are given by: A=the last digit of your matrix number B=the fifth digit of your matrix number For example, a student with the matrix number CD200123 will have the values of P = 6525 N and tAR =13 mm. (i) Calculate the normal stress o R on the upper part of the post. (ii) If it is desired that the lower part of the post have the same compressive stress as the upper part, what should be the magnitude of the load P,? (iii) If P, remains at 65B5 N and P, is now set at 10050 N, what is the new thickness of BC that will result in the same compressive stress in both parts? Activat .. idows
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