Q = 170 kN F = 80kN The x component of the reaction at E,Ex (in kN) The y component of the reaction at E, Ey (in kN) The y component of the reaction at A, Ay (in kN) The force in member ED (in kN) The force in member IB (in kN) The force in member IH (in kN) Question 2 W = 115 lb P = 80 lb The x component of the reaction at H,Hx (in lbs)...
1. Let Ē= (# –2 jj)e*,À = 3 1(2jê + Þje** (a) Find the time-averaged Poynting's vector < S(,)> (b) Find the instantaneous Poynting's vector S(z,t). (c) Show that the results from (a) and (b) are consistent. 2. The permittivity of the Earth's ionosphere can be described by an unmagnetized cold plasma model: 6(a= 6,11 – 31,0); - Ne me If N=102 electrons/m, e=1.6 x10' Coulombs, m = 9.1 x 103 kg, (a) What permittivity does an AM radio signal...
I need help with these problems please. Problem 1. Check (e^a)(e^b) = (e^(a+b)) by expanding both sides in double series in a and b up to fourth order as follows. Make a substitution a → at and b → bt and expand both sides in t up to (including) t4. Problem 2. Calculate the following sum, if convergent. Problem 3. By definition, cosh(x) = (ex + e−x)/2 and sinh(x) = (ex − e−x)/2. Find series expansion for cosh(x) and sinh(x)...
Force F, 1 kN, is applied in the negative y-direction at point B. The magnitudes of the tension in the cables are T(BC) = 707 N and T(BD) = 1500 N. Point E is 3m from point A. a) Calculate the vectors representing the tensions in the cables. b) Determine the internal force and moment system in the bar at x-section E. Show the internal forces and moment on free body diagram. 6 m I) 6 3
1. Suppose E[X]-2 and E Y]-1. Evaluate the followings: a) E3X ] b) EX 2Y] c)
A particle with mass m = 9.6 x 10-26 kg and electric charge with q = 20 *1.602 x 10-19 C moves through a region with B = -0.4 ax + 0.2 ay -0.1 az T and a velocity u = (2 ax - 3 ay +6 az) 104 m/s att = 0. 1. What electric field E must be present at = 0 if the net force F on the charged particle is 0? (7 points) 2. If the...
2x f(x) = ex+ f'(x) = (3x + 2) ex+3 B f'(x) = (x2 + 2x) e*+2x-1 С f'(x) = ex®+2x f'(x) = €3x+2
Part 1 Use the graphical method to construct the shear-force and bending moment diagrams for the beam shown. Let a-3.s ftt, he eshe 10.5 kipe/ft and p 105 kigs. Construct the shear-force and bending-moment diagrams on paper and use the results to subsequent parts of this GO exercise. For this loading, calculate the reaction forces Ay and Ey acting on the beam. Positive values for the reactions are indicated by the directions of the red arrows shown on the free-body...
Please use virtual work method (full solution please with drawing) QUESTION 3 Calculate the reactions at the supports, then illustrate the moment diagram. The moment of inertia for each segment is shown in the figure. Assume A and Care rollers and B is pin. Take E = 200 Gpa 10 EN 20 KN 20 KN 1 -90/10) - 120X10mm -3m-3m-3m-4m -4m- (20 marks) (CLO 1: PLO 1: C4)
Consider the function φ (x,y)-ex + e". Consider the point (x,y)= (1,1). Dyalculate the exact values ofipor and 0φ。y at this point b) Ue first-order forward differences, with Ax Ay 0., to calculate approximate valueoföx and öpy at point (1, 1). Calculate the percentage difference when compared with the exact values from part (a). (c) Use first-order rearward differences, with Ar = 0.1, to calculate approximate values of 6fax and öply at point (1, Ealculate the percentage difference when mpared...