Sample WeBWorK problems. 1.(1 pt) Which of the following are vectors in R2 ? A. (1,0,0) B. (1,0) C. x2 D. x E. 1 F. (0,1) G. None of the above Which of the following is the zero vector in R2 ? A. 0 B. (0,0,0) C. (0,0) D. None of the above Which pairs belo
Sample WeBWorK problems. 1.(1 pt) Multiply the given matrices. 4.99999999999999 -5.99999999999999 5 6 , -3.99999999999999 4.99999999999999 4 5 Is one the inverse of the other? A. Yes B. No 2.(1 pt) Multiply the given matrices. 0 1/4 4 -8 , -1/8 1/8 4 0 Is
Dept. of Struct. Eng.
Univ. of California, San Diego
Fall 2014
Instructor: Professor Uang
SE 150DESIGN OF STEEL STRUCTURES
Homework Set No. 6
Due date: Thursday December 4th in class
(1) Select an economical W-section for member AB of A992 steel shown in
Dept. of Struct. Eng.
Univ. of California, San Diego
Fall 2014
Instructor: Professor Uang
SE 150DESIGN OF STEEL STRUCTURES
Homework Set No. 5
Due date: Tuesday November 18th in class
(1) The moment diagram of the beam produced by the factored loads is giv
AUBREY MCMILLAN
WeBWorK problems. Classify the following differential equation according to its order, whether it is linear or nonlinear, whether it is homogeneous or nonhomogeneous, and whether its coefficients or constant or variable: y + ty2 = 1 ? 1. O
AUBREY MCMILLAN
WeBWorK problems.
WeBWorK assignment DELA 1 3 due 3/6/08 at 11:59 PM. Consider the following differential equation: y = et+y ? 1. Determine whether the DE is separable or not. List all constant solutions for the DE in increasing order, sta
AUBREY MCMILLAN
WeBWorK problems.
WeBWorK assignment DELA 1 2 due 3/4/08 at 11:59 PM. The simplest case of the logistic model is represented by the DE y = ky(1 - y), where it k 0 is the growth constant. The logistic model is used to model population growt
Sample WeBWorK problems. 1.(1 pt) V=R2 S=cfw_(0, 0), (-7, 5) Do the vectors in the set S span the vector space V? A. Yes B. No 2.(1 pt) V=R3 S=cfw_(1, 0, 0), (0, 1, 0), (-3, 8, -8) Do the vectors in the set S span the vector space V? A. Yes B. No 3.(1 pt)
Sample WeBWorK problems. 1.(1 pt) Multiply the given matrices. 4.99999999999999 -5.99999999999999 5 6 , -3.99999999999999 4.99999999999999 4 5 Is one the inverse of the other? A. Yes B. No 2.(1 pt) Multiply the given matrices. 0 1/7 7 -1 , 1 1 7 0 Is one
Dept. of Struct. Eng.
Univ. of California, San Diego
Fall 2014
Instructor: Professor Uang
SE 150DESIGN OF STEEL STRUCTURES
Homework Set No. 7
Due date: Wednesday December 10th at 5pm
5
(1) The 8 " 8" plate shown in Figure 1 is connected to a gusset plate