Problem 1QCE: Ifv=3,1,7andw=4,10,5,thenav=bv+w=cvw=d2v= Problem 2QCE Problem 3QCE: The unit vector in 2-space that makes an angle of /3 with the positive x-axis is . Problem 4QCE: Consider points A3,4,0andB0,0,5. (a) AB= (b) If v is a vector in the same direction as AB and the... Problem 1ES Problem 2ES Problem 3ES Problem 4ES: Sketch the vector with their initial points at the origin. a1,3,2b3,4,2c2jkdij+2k Problem 5ES Problem 6ES Problem 7ES: Find the component of the vector P1P2. aP13,5,P22,8bP17,2,P20,0cP15,2,1,P22,4,2 Problem 8ES: Find the component of the vector P1P2. aP16,2,P24,1bP10,0,0,P21,6,1cP14,1,3,P29,1,3 Problem 9ES: (a) Find the terminal point of v=3i2j if the initial point is (1,2). (b) Find the initial point of... Problem 10ES: (a) Find the terminal point of v=7,6 if the initial point is (2,1). (b) Find the terminal point of... Problem 11ES: Perform the stated operations on the given vectors u, v and w. u=3ik,v=ij+2k,w=3j... Problem 12ES: Perform the stated operations on the given vectors u, v, and w.... Problem 13ES: Find the norm of v. av=1,1bv=i+7jcv=1,2,4dv=3i+2j+k Problem 14ES Problem 15ES: Letu=i3j+2k,v=i+j,andw=2i+2j4k. Find au+vbu+vc2u+2vd3u5v+we1wwf1ww. Problem 16ES: Is it possible to have uv=u+v if u and are nonzero vector? Justify your conclusion geometrically. Problem 17ES: Determine whether the statement is true or false. Explain your answer. The norm of the sum of two... Problem 18ES Problem 19ES: Determine whether the statement is true or false. Explain your answer. There are exactly two unit... Problem 20ES Problem 21ES Problem 22ES: Find unit vector that satisfy the stated conditions. (a) Oppositely directed to 3i4j. (b) Same... Problem 23ES: Find the vectors that satisfy the stated conditions. (a) Oppositely directed to v=3,4 and half the... Problem 24ES: Find the vectors that satisfy the stated conditions. (a) Same direction as v=2i+3j and three times... Problem 25ES: In each part, find the component form of the vector v in 2-space that has the stated length and... Problem 26ES: Find the component forms of v+wandvw in 2-space, given that v=1,w=1,v makes an angle of /6 with the... Problem 27ES: Find the component form of v+w, given that v and w are unit vectors. Problem 28ES: Find the component form of v+w, given that v and w are unit vectors. Problem 29ES: In each part, sketch the vector u+v+w and express it in component form. Problem 30ES: In each pat of exercise 29, sketch the vector uv+w and express it in component form. Problem 31ES: Let u=1,3,v=2,1,w=4,1. Find the vector x that satisfies 2uv+x=7x+w. Problem 32ES: Let u=1,1,v=0,1,w=3,4. Find the vector x that satisfies u2x=xw+3v. Problem 33ES: Find u and v if u+2v=3ikand3uv=i+j+k. Problem 34ES: Find u and v if u+v=2,3and3u+2v=1,2. Problem 35ES: Use vector to find the lengths of the diagonals of the parallelogram that has i+jandi2j as adjacent... Problem 36ES: Use vector to find the fourth vertex of a parallelogram, three of whose vertices are (0, 0), (1, 3),... Problem 37ES: (a) Given that v=3, find all values of k such that kv=5. (b) Given that k=2andkv=6,findv. Problem 38ES: What do you know about k and v if kv=0? Problem 39ES Problem 40ES: In each part, find two unit vector in 3-space that satisfy the stated condition. (a) Perpendicular... Problem 41ES: Let r=x,y be an arbitrary vector. In each part, describe the set of all points (x, y) in 2-space... Problem 42ES: Let r=x,yandr0=x0,y0. In each part, describe the set of all points (x, y) in 2-space that satisfy... Problem 43ES: Let r=x,y,z be an arbitrary vector. In each part, describe the set of all points x,y,z in 3-space... Problem 44ES: Let r1=x1,y1,r2=x2,y2andr=x,y. Assuming that kr2r1, describe the set of all points x,y for which... Problem 45ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 46ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 47ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 48ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 49ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 50ES: Find the magnitude of the resultant force and the angle that it makes with the positive x-axis. Problem 51ES Problem 52ES Problem 53ES: The accompanying figure shows a 250 lb traffic light supported by two flexible cables. The... Problem 54ES: Find the tensions in the cables shown in the accompanying figure if the block is in static... Problem 55ES Problem 56ES: A block weighing 100 N is suspended by cables A and B, as shown in the accompanying figure. (a) Use... Problem 57ES: A vector w is said to be a liner combination of the vectors v1 and v2 if w can be expressed as... Problem 58ES: A vector w is a linear combination of the vectors v1,v2,andv3 if w can be expressed as... Problem 59ES Problem 60ES: Prove parts (a), (c), and (e) of Theorem 11.2.6 algebraically in 2-space. Problem 61ES: Prove parts (d), (g), and (h) of Theorem 11.2.6 algebraically in 2-space. Problem 62ES: Prove part (f) of Theorem 11.2.6 geometrically. Problem 63ES: Use vectors to prove that the line segment joining the midpoints of two sides of a triangle is... Problem 64ES: Use vectors to prove that the midpoints of the sides of a quadrilateral are the vertices of a... format_list_bulleted