Problem 1QC Problem 2QC: Suppose r(t) has units of m/s. Explain why T(t) = r'(t)/|r(t)| is dimensionless (has no units) and... Problem 3QC: Let u(t)=t,t,t and v(t)=1,1,1 compute ddt(u(t)v(t)) using Derivative Rule 5, and show that it agrees... Problem 4QC: Let r(t)=1,2t,3t2. Compute r(t)dt. Problem 1E Problem 2E: Explain the geometric meaning of r(t). Problem 3E Problem 4E: Compute r(t) when r(t) = t10, 8t, cos t. Problem 5E: How do you find the indefinite integral of r(t) = f(t), g(t), h(t)? Problem 6E: How do you evaluate abr(t)dt? Problem 7E: Find C if r(t)=et,3cost,t+10+C and r(0)=0,0,0. Problem 8E: Find the unit tangent vector at t = 0 for the parameterized curve r(t) if r(t)=et+5,sint+2,cost+2. Problem 9E: Derivatives of vector-valued functions Differentiate the following functions. 7. r(t) = cos t, t2,... Problem 10E Problem 11E Problem 12E: Derivatives of vector-valued functions Differentiate the following functions. 10. r(t) = 4, 3 cos... Problem 13E Problem 14E: Derivatives of vector-valued functions Differentiate the following functions. 12. r(t) = tan t i +... Problem 15E Problem 16E Problem 17E Problem 18E Problem 19E Problem 20E Problem 21E Problem 22E Problem 23E Problem 24E Problem 25E Problem 26E Problem 27E Problem 28E Problem 29E Problem 30E Problem 31E Problem 32E Problem 33E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 34E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 35E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 36E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 37E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 38E: Derivative rules Let u(t)=2t3i+(t21)j8kandv(t)=eti+2etje2tk. Compute the derivative of the following... Problem 39E Problem 40E Problem 41E Problem 42E: Derivative rules Suppose u and v are differentiable functions at t = 0... Problem 43E: Derivative rules Let u(t) = 1, t, t2, v(t) = t2, 2t, 1, and g(t)=2t. Compute the derivatives of the... Problem 44E Problem 45E: Derivative rules Let u(t) = 1, t, t2, v(t) = t2, 2t, 1, and g(t)=2t. Compute the derivatives of the... Problem 46E Problem 47E: Derivative rules Let u(t) = 1, t, t2, v(t) = t2, 2t, 1, and g(t)=2t. Compute the derivatives of the... Problem 48E: Derivative rules Let u(t) = 1, t, t2, v(t) = t2, 2t, 1, and g(t)=2t. Compute the derivatives of the... Problem 49E: Derivative rules Compute the following derivatives. 49. ddt(t2(i+2i2tk)(eti+2etj-3etk)) Problem 50E: Derivative rules Compute the following derivatives. 38. ddt((t3i2tj2k)(tit2jt3k)) Problem 51E: Derivative rules Compute the following derivatives. 39. ddt((3t2i+tj2t1k)(costi+sin2tj3tk)) Problem 52E: Derivative rules Compute the following derivatives. 40. ddt((t3i+6j2tk)(3ti12t2j6t2k)) Problem 53E: Higher-order derivatives Compute r(t) and r(t) for the following functions. 41. r(t) = t2 + 1, t +... Problem 54E Problem 55E: Higher-order derivatives Compute r(t) and r(t) for the following functions. 43. r(t) = cos 3t, sin... Problem 56E: Higher-order derivatives Compute r(t) and r(t) for the following functions. 44. r(t) = e4t, 2e4t +... Problem 57E: Higher-order derivatives Compute r(t) and r(t) for the following functions. 45. r(t)=t+4i+tt+1jet2k Problem 58E: Higher-order derivatives Compute r(t) and r(t) for the following functions. 46.... Problem 59E: Indefinite integrals Compute the indefinite integral of the following functions. 47. r(t) = t4 3t,... Problem 60E Problem 61E: Indefinite integrals Compute the indefinite integral of the following functions. 49. r(t) = 2 cos t,... Problem 62E: Indefinite integrals Compute the indefinite integral of the following functions. 50.... Problem 63E: Indefinite integrals Compute the indefinite integral of the following functions. 51.... Problem 64E: Indefinite integrals Compute the indefinite integral of the following functions. 52.... Problem 65E: Finding r from r Find the function r that satisfies the given conditions. 53. r(t) = et, sin t, sec2... Problem 66E Problem 67E Problem 68E: Finding r from r Find the function r that satisfies the given conditions. 56. r(t)=t,cost,4/t; r(1)... Problem 69E: Finding r from r Find the function r that satisfies the given conditions. 57. r(t) = e2t, 1 2et, 1 ... Problem 70E: Finding r from r Find the function r that satisfies the given conditions. 58.... Problem 71E: Definite integrals Evaluate the following definite integrals. 59. 11(i+tj+3t2k)dt Problem 72E: Definite integrals Evaluate the following definite integrals. 60. 14(6t2i+8t3j+9t2k)dt Problem 73E: Definite integrals Evaluate the following definite integrals. 61. 0ln2(eti+etcos(et)j)dt Problem 74E: Definite integrals Evaluate the following definite integrals. 62. 1/21(31+2ticsc2(2t)k)dt Problem 75E: Definite integrals Evaluate the following definite integrals. 63. (sinti+costj+2tk)dt Problem 76E: Definite integrals Evaluate the following definite integrals. 64. 0ln2(eti+2e2tj4etk)dt Problem 77E: Definite integrals Evaluate the following definite integrals. 65. 02tet(i+2jk)dt Problem 78E: Definite integrals Evaluate the following definite integrals. 66. 0/4(sec2ti2costjk)dt Problem 79E Problem 80E Problem 81E Problem 82E Problem 83E Problem 84E: Relationship between r and r 78. Consider the circle r(t) = a cos t, a sin t, for 0 t 2, where a... Problem 85E: Relationship between r and r 79. Consider the parabola r(t) = at2 + 1, t, for t , where a is a... Problem 86E Problem 87E: Relationship between r and r 81. Consider the helix r(t) = cos t, sin t, t, for t . Find all... Problem 88E: Relationship between r and r 82. Consider the ellipse r(t) = 2 cos t, 8 sin t, 0, for 0 t 2. Find... Problem 89E: Relationship between r and r 83. Give two families of curves in 3 for which r and r are parallel for... Problem 90E: Motion on a sphere Prove that r describes a curve that lies on the surface of a sphere centered at... Problem 91E: Vectors r and r for lines a. If r(t) = at, bt, ct with a, b, c 0, 0, 0, show that the angle between... Problem 92E: Proof of Sum Rule By expressing u and v in terms of their components, prove that... Problem 93E: Proof of Product Rule By expressing u in terms of its components, prove that... Problem 94E Problem 95E: Cusps and noncusps a. Graph the curve r(t) = t3, t3. Show that r(0) = 0 and the curve does not have... format_list_bulleted