Problem 1RE: Explain why or why not Determine whether the following statements are true and give an explanation... Problem 2RE Problem 3RE Problem 4RE Problem 5RE Problem 6RE: Working with vectors Let u = 2, 4, 5 and v = 6, 10, 2. 6. Compute u 3v. Problem 7RE: Working with vectors Let u = 2, 4, 5 and v = 6, 10, 2. 7. Compute |u + v|. Problem 8RE Problem 9RE Problem 10RE Problem 11RE Problem 12RE: Scalar multiples Find scalars a, b, and c such that 2,2,2=a1,1,0+b0,1,1+c1,0,1. Problem 13RE: Velocity vectors Assume the positive x-axis points east and the positive y-axis points north. a. An... Problem 14RE Problem 15RE: Spheres and balls Use set notation to describe the following sets. 15. The sphere of radius 4... Problem 16RE: Spheres and balls Use set notation to describe the following sets. 16. The points inside the sphere... Problem 17RE: Spheres and balls Use set notation to describe the following sets. 17. The points outside the sphere... Problem 18RE: Identifying sets. Give a geometric description of the following sets of points. 18. x2 6x + y2 + 8y... Problem 19RE: Identifying sets. Give a geometric description of the following sets of points. 19. x2 x + y2 + 4y... Problem 20RE: Identifying sets. Give a geometric description of the following sets of points. 20. x2 + y2 10y +... Problem 21RE: Identifying sets. Give a geometric description of the following sets of points. 21. x2 6x + y2 + z2... Problem 22RE Problem 23RE Problem 24RE: Cross winds A small plane is flying north in calm air at 250 mi/hr when it is hit by a horizontal... Problem 25RE: Sets of points Describe the set of points satisfying both the equation x2 + z2 = 1 and y = 2. Problem 26RE: Angles and projections a. Find the angle between u and v. b. Compute projvu and scalvu. c. Compute... Problem 27RE Problem 28RE Problem 29RE: Vectors normal to a plane Find a unit vector normal to the vectors 2, 6, 9 and 1, 0, 6. Problem 30RE: Angle in two ways Find the angle between 2, 0, 2 and 2, 2, 0 using (a) the dot product and (b) the... Problem 31RE Problem 32RE: Lines in space Find an equation of the following lines or line segments. 32. The line that passes... Problem 33RE: Lines in space Find an equation of the following lines or line segments. 33. The line segment that... Problem 34RE: Lines in space Find an equation of the following lines or line segments. 34. The line through the... Problem 35RE: Lines in space Find an equation of the following lines or line segments. 35. The line through the... Problem 36RE: Lines in space Find an equation of the following lines or line segments. 36. The line through the... Problem 37RE: Area of a parallelogram Find the area of the parallelogram with vertices (1, 2, 3), (1, 0, 6), and... Problem 38RE: Area of a triangle Find the area of the triangle with vertices (1, 0, 3), (5, 0, 1), and (0, 2, 2). Problem 39RE: Curves in space Sketch the curves described by the following functions, indicating the orientation... Problem 40RE: Curves in space Sketch the curves described by the following functions, indicating the orientation... Problem 41RE Problem 42RE Problem 43RE Problem 44RE Problem 45RE Problem 46RE: Orthogonal r and r Find all points on the ellipse r(t) = 1, 8 sin t, cos t, for 0 t 2, at which... Problem 47RE Problem 48RE: Baseball motion A toddler on level ground throws a baseball into the air at an angle of 30 with the... Problem 49RE Problem 50RE Problem 51RE Problem 52RE Problem 53RE: Velocity and trajectory length The acceleration of a wayward firework is given bya(t)=2j+2tk, for 0 ... Problem 54RE Problem 55RE: Arc length of polar curves Find the approximate length of the following curves. 55. The limaon r = 3... Problem 56RE Problem 57RE: Arc length parameterization Find the description of the following curves that uses arc length as a... Problem 58RE: Tangents and normals for an ellipse Consider the ellipse r(t) = 3 cos t, 4 sin t, for 0 t 2. a.... Problem 59RE Problem 60RE Problem 61RE: Properties of space curves Do the following calculations. a. Find the tangent vector and the unit... Problem 62RE Problem 63RE: Analyzing motion Consider the position vector of the following moving objects. a. Find the normal... Problem 64RE: Analyzing motion Consider the position vector of the following moving objects. a. Find the normal... Problem 65RE: Analyzing motion Consider the position vector of the following moving objects. a. Find the normal... Problem 66RE: Analyzing motion Consider the position vector of the following moving objects. a. Find the normal... Problem 67RE Problem 68RE Problem 69RE Problem 70RE: Curve analysis Carry out the following steps for the given curves C. a. Find T(t) at all points of... Problem 71RE Problem 72RE Problem 73RE format_list_bulleted