Elements Of Electromagnetics
7th Edition
ISBN: 9780190698614
Author: Sadiku, Matthew N. O.
Publisher: Oxford University Press
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Chapter 7, Problem 4RQ
To determine
Choose the correct option from the given choices that is incorrect for the given filament.
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1: A H = 6 m cantilever retaining wall is subjected to a soil pressurelinearly varying from zero at the top to 90 kPa at the bottom. As an additionalsupport, it is anchored at depth y = 2 m. with maximum tension equal to 25kN. Assume that the stem provides fully retrained support. Draw the shearand moment diagram of the wall to calculate the following: (a) Maximumpositive bending moment per linear meter; (b) maximum negative bendingmoment per linear meter; (c) maximum shear force per linear meter.
CORRECT AND DETAILED SOLUTION WITH COMPLETE FBD ONLY. I WILL UPVOTE.
9: The beam shown has a width of 80 mm and its allowable bending stress is not to exceed 120 MPa. Calculatethe required depth of the beam.
PROBLEM 4: A pre-stressed concrete pile of length L (m) is to be picked up by crane cables at two points, both equidistant
from the ends. If the concrete pile has a cross-sectional area of A (m²) and concrete has unit weight of Yc (kN/m³),
calculate the distance of the pick-up points from the end in terms of pile length. (Hint: to minimize the absolute maximum
moment, the maximum negative and maximum negative moments should be equal)
Chapter 7 Solutions
Elements Of Electromagnetics
Ch. 7.2 - Prob. 1PECh. 7.2 - Prob. 2PECh. 7.2 - Prob. 3PECh. 7.2 - Prob. 4PECh. 7.4 - Prob. 5PECh. 7.4 - Prob. 6PECh. 7.7 - Prob. 7PECh. 7.7 - Prob. 8PECh. 7 - Prob. 1RQCh. 7 - Prob. 2RQ
Ch. 7 - Prob. 3RQCh. 7 - Prob. 4RQCh. 7 - Prob. 5RQCh. 7 - Prob. 6RQCh. 7 - Prob. 7RQCh. 7 - Prob. 8RQCh. 7 - Prob. 9RQCh. 7 - Prob. 10RQCh. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28PCh. 7 - Prob. 29PCh. 7 - Prob. 30PCh. 7 - Prob. 31PCh. 7 - Prob. 32PCh. 7 - Prob. 33PCh. 7 - Prob. 34PCh. 7 - Prob. 35PCh. 7 - Prob. 36PCh. 7 - Prob. 37PCh. 7 - Prob. 38PCh. 7 - Prob. 39PCh. 7 - Prob. 40PCh. 7 - Prob. 41PCh. 7 - Prob. 42PCh. 7 - Prob. 43PCh. 7 - Prob. 44PCh. 7 - Prob. 45PCh. 7 - Prob. 46PCh. 7 - Prob. 47PCh. 7 - Prob. 48PCh. 7 - Prob. 49PCh. 7 - Prob. 50PCh. 7 - Prob. 51PCh. 7 - Prob. 52PCh. 7 - Prob. 53PCh. 7 - Prob. 54PCh. 7 - Prob. 55PCh. 7 - Prob. 56PCh. 7 - Prob. 57PCh. 7 - Prob. 58P
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- Correct and detailed solution only. Complete fbd. I will upvote.arrow_forward3: Given the shear diagram of the simply supported beam shown, properly illustrate the load and bendingmoment diagram considering that the beam carries a 5 kN-m clockwise moment at C.arrow_forwardCORRECT AND DETAILED SOLUTION WITH COMPLETE FBD ONLY. I WILL UPVOTE. 8: A 2-m cantilever beam with cross-sectionshown carries a uniformly distributed load of 12 kN/m. Dueto fixture requirements, a hole of diameter 150 mm isremoved from the cross-section. (a) Calculate themaximum normal compressive stress. (b) Calculate themaximum normal tensile stress. (c) Calculate anddetermine the state of stress at the lowest point of thecircular hole.arrow_forward
- 5: A 12-m simply supported bridge is constructed with 100-mm concrete slab deck supported by precastconcrete stringers spaced 800 mm on center. Analyze the stringers when subjected to a moving load consisting of 3 evenly spaced axle loads at 3 m and equivalent to 20 kN, 30 kN and 40 kN respectively. The self-weight of the stringers is 8.5 kN/m and the concrete deck has a unit weight of 24 kN/m3 . Neglect all other superimposed loads. Calculate: (a) the maximum shear force in the stringers; (b) the maximum bending moment in the stringers.arrow_forward2: The given continuous beam supports a uniform load with magnitude w. It has an internal hinge at C. (a)Calculate the maximum uniform load w that the beam can carry if it has a moment capacity of 65 kN-m for negativebending; (b) Calculate the maximum uniform load w that the beam can carry if it has a moment capacity of 85 kN-m forpositive bending; (c) Calculate the maximum uniform load w that the beam can carry if it has a shear capacity of 40 kN.arrow_forwardCORRECT AND DETAILED SOLUTION WITH COMPLETE FBD ONLY. I WILL UPVOTE. 10: A wooden beam 150 mm wide by 300 mm deep is loaded asshown. The maximum flexural stress developed is 8 MN/m2. (a) Computethe maximum moment the beam section can resist. (b) Determine themaximum value of the uniform load w in kN/m. (c) Calculate the maximumvalue of the concentrated load P.arrow_forward
- This is a tilt and rotation question. Here are notes attached for reference. ONLY UPLOAD A SOLUTION IF YOU ARE SURE ABOUT THE ANSWER PLEASE.arrow_forward(b): Let us first consider controlling the orbit of deputy spacecraft to rendezvous with chief spacecraft. Define x = [r] and x = x = R to represent the deputy orbital state and its target (= chief orbit) in Cartesian coordinates, respectively. The control input is thruster acceleration, u € R³, in the ECI frame. Denote the relative state by dx = x-x. Table 2 summarize the initial orbital elements. Table 2: Keplerian orbital elements at epoch (t = 0) for deputy and chief about Earth (ECI frame) Orbital element Deputy Unit Chief semi-major axis ad = 11500 ac 10000 km eccentricity inclination ed = 0.15 id=35 ee = 0.3 i = 50 degree right ascension of ascending node d = 50 Ως = 50 degree argument of periapsis true anomaly at epoch Wd Vd= 0 = 40 We = 40 degree Ve=0 degree (b.1): Derive the error dynamics of our system in ECI frame under the influence of u. (b.2): Consider a candidate Lyapunov function V = ½dr¹ K₁dr+dv₁dv, where K₁ = K, and K, > 0. Discuss the positive definiteness of V, and…arrow_forwardOne image show problem c.1 and c.2 that I need help with. The second image shows the lyapunov function and its derivative but it is NOT the same function that is given in problem. I have attached that image as an example.arrow_forward
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