What is QB? Note: Point B lies on the neutral axis. N 14" 5" B 3"...
(3) Using the identity: (*) – 16–191 n! k!(n-k! k for n > 2, prove the following identity: (n-2 + (5+1) 1
4. At right, the point charges 2 4x are fixed on the y axis Note In this problem, let k 1/4neo a. Show that the magnitude of the resultant electric field at point P can be expressed in the form: Ep (2kg/x2) ( (a2/x2)-5/2 - 1) b. Show that in the case where x >» a the magnitude of resultant electric field at point P can be approximated by Hint: make use of the approximation (1 + α)N is valid...
1: 3 SN > Question 5 (1 point) Which of the following equations is not balanced? 5 I a OA) CaCO3 CaO + CO2 8 9 B) 2NO + O2 + 2NO2 11 12 C) 2Mg + O2 2Mgo D) 2NaHCO3 + H2SO4 → Na2SO4 + 2H2O + CO2 14 15
(For 5b, please use the y-axis as the axis of symmetry for the
cylinder)
5) a-b Set-up the flux integrals for the given surfaces in the variables indicated. Your final answer should be a scalar- valued double integral. That is, the double integral should does not contain any vector quantities. The differential is given. Do not solve the integrals you setup in a. and b. No work is needed for a-b. a. F(x, y, z) = 5î + 10ủ +...
1. Let {X[k]}K=o be the N = 8-point DFT of the real-valued sequence x[n] = [1, 2, 3, 4]. (a) Let Y[k] = X[k]ejak + X[<k – 4 >8] be the N = 8-point DFT of a sequence y[n]. Compute y[n]. Note: Do NOT compute X[k]. (b) Let Y[k] = X*[k] be the DFT of the sequence y[n], where * denotes the conjugate. Compute the sequence y[n]. Note: Do NOT compute X[k].
For Problems 13 to 14: Figure shows an ideal transformer. V, = 100 cos(8t), N, = 40, N, = 8, R, = 492 2.- VUR Problem [13] <5 points> Calculate the magnitude of the flux 0. Problem [14] <5 points> Calculate the magnitude of the current ,
Quantum Numbers 1/7 answered Score: 2/14 > Question 5 What are the sublevels of the 3rd energy level (n 3)? 3s, 3d, 3f О Зр, 3d, 3f 3s, 3p, 3f 3s, 3p, 3d, 3f 3s, 3p, 3d Question Help: Message instructor Submit Question
5. For the cross section below, determine (a) the bending stress at point A, (b) the bending stress at point B, and (c) draw the Neutral Axis and find its orientation with respect to the x-axis. (Hint: y= 57.4 mm) M 758 N-m 20 mm C 200 mm 20 mm 20 mm A AFT 200 mm--200 mm-
5. For the cross section below, determine (a) the bending stress at point A, (b) the bending stress at point B, and (c)...
Display the vectors T (t), N (t), B(t) for a point that travels along n the helix using Geogebra 3D r(t) =< cost, t, sint >, 0 <t< 41 Show the T vector in Blue Show the N Vector in Yellow Show the B Vector in Red
3. Let X N(20,1). What is P(X > 20) ? a) 0.25 b) 0.5 c) 0.75 d) 0.99