Problem 1QC: What does the arc length formula give for the length of the line r(t) = (2t, t, 2t), for 0 t 3? Problem 2QC: Consider the portion of a circle r(t) = (cos t, sin t), for a t b. Show that the arc length of the... Problem 3QC Problem 1E: Find the length of the line given by r(t) = t, 2t, for a t b. Problem 2E: Explain how to find the length of the curve r(t) = f(t), g(t), h(t), for a t b. Problem 3E: Express the arc length of a curve in terms of the speed of an object moving along the curve. Problem 4E: Suppose an object moves in space with the position function r(t) = x(t), y(t), z(t). Write the... Problem 5E: An object moves on a trajectory given by r(t) = 10 cos 2t, 10 sin 2t, for 0 t . How far does it... Problem 6E: Use calculus to find the length of the line segment r(t) = (t, 8t, 4t) , for 0 t 2. Verify your... Problem 7E: Explain what it means for a curve to be parameterized by its arc length. Problem 8E: Is the curve r(t) = cos t, sin t parameterized by its arc length? Explain. Problem 9E: Arc length calculations Find the length of he following two- and three-dimensional curves. 9. r(t) =... Problem 10E: Arc length calculations Find the length of the following two- and three-dimensional curves. 10. r(t)... Problem 11E: Arc length calculations Find the length of the following two- and three-dimensional curves. 11. r(t)... Problem 12E: Arc length calculations Find the length of the following two- and three-dimensional curves. 12. r(t)... Problem 13E Problem 14E: Arc length calculations Find the length of the following two- and three-dimensional curves. 14. r(t)... Problem 15E: Arc length calculations Find the length of the following two- and three-dimensional curves. 15. r(t)... Problem 16E Problem 17E: Arc length calculations Find the length of the following two- and three-dimensional curves. 17. r(t)... Problem 18E: Arc length calculations Find the length of the following two- and three-dimensional curves. 18. r(t)... Problem 19E: Arc length calculations Find the length of the following two- and three-dimensional curves. 19. r(t)... Problem 20E: Arc length calculations Find the length of the following two- and three-dimensional curves. 20. r(t)... Problem 21E: Arc length calculations Find the length of the following two- and three-dimensional curves. 21. r(t)... Problem 22E: Arc length calculations Find the length of the following two- and three-dimensional curves. 22. r(t)... Problem 23E: Speed and arc length For the following trajectories, find the speed associated with the trajectory... Problem 24E: Speed and arc length For the following trajectories, find the speed associated with the trajectory... Problem 25E: Speed and arc length For the following trajectories, find the speed associated with the trajectory... Problem 26E: Speed and arc length For the following trajectories, find the speed associated with the trajectory... Problem 27E: Speed of Earth Verify that the length of one orbit of Earth is approximately 6.280 AU (see Table... Problem 28E: Speed of Jupiter Verify that the length of one orbit of Jupiter is approximately 32.616 AU (see... Problem 29E: Arc length approximations Use a calculator to approximate the length of the following curves. In... Problem 30E Problem 31E: Arc length approximations Use a calculator to approximate the length of the following curves. In... Problem 32E Problem 33E Problem 34E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 35E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 36E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 37E Problem 38E Problem 39E Problem 40E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 41E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 42E: Arc length parameterization Determine whether the following curves use arc length as a parameter. If... Problem 43E: Explain why or why not Determine whether the following statements are true and give an explanation... Problem 44E: Length of a line segment Consider the line segment joining the points P(x0, y0, z0) and Q(x1, y1,... Problem 45E: Tilted circles Let the curve C be described by r(t) = a cos t, b sin t, c sin t, where a, b, and c... Problem 46E Problem 47E Problem 48E: Toroidal magnetic field A circle of radius a that is centered at (A, 0) is revolved about the y-axis... Problem 49E: Projectile trajectories A projectile (such as a baseball or a cannonball) launched from the origin... Problem 50E: Variable speed on a circle Consider a particle that moves in a plane according to the equations x =... Problem 51E: Arc length parameterization Prove that the line r(t) = x0 + at, y0 + bt, z0 + ct is parameterized by... Problem 52E: Arc length parameterization Prove that the curve r(t) = a cos t, b sin t, c sin t is parameterized... Problem 53E Problem 54E: Change of variables Consider the parameterized curves r(t) = f(t), g(t), h(t) and R(t) = f(u(t)),... format_list_bulleted