Exam 14: Calculus of Vector-Valued Functions

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Particle 1 follows the path parametrized by Particle 1 follows the path parametrized by   , while Particle 2 follows the path parametrized by   . At what time   does the speed of Particle 1 match the speed of Particle 2? , while Particle 2 follows the path parametrized by Particle 1 follows the path parametrized by   , while Particle 2 follows the path parametrized by   . At what time   does the speed of Particle 1 match the speed of Particle 2? . At what time Particle 1 follows the path parametrized by   , while Particle 2 follows the path parametrized by   . At what time   does the speed of Particle 1 match the speed of Particle 2? does the speed of Particle 1 match the speed of Particle 2?

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Find a parameterization for the line of intersection of the planes Find a parameterization for the line of intersection of the planes   and   . and Find a parameterization for the line of intersection of the planes   and   . .

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A satellite traverses a circular orbit about the Earth at a speed of 1100 m/s. How far removed from the Earth's surface is the satellite's orbit? Assume the Earth has a radius of 6500 km and mass of A satellite traverses a circular orbit about the Earth at a speed of 1100 m/s. How far removed from the Earth's surface is the satellite's orbit? Assume the Earth has a radius of 6500 km and mass of   kg. Recall   . kg. Recall A satellite traverses a circular orbit about the Earth at a speed of 1100 m/s. How far removed from the Earth's surface is the satellite's orbit? Assume the Earth has a radius of 6500 km and mass of   kg. Recall   . .

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The position of a particle traversing a circular path is given by The position of a particle traversing a circular path is given by   . Find the speed of the particle at time  . Find the speed of the particle at time The position of a particle traversing a circular path is given by   . Find the speed of the particle at time

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A projectile is fired form the ground at an angle of A projectile is fired form the ground at an angle of   with an initial speed of 200 m/s. What is the velocity vector of the projectile after 11 seconds? Recall that   is the acceleration due to gravity on the Earth's surface. Approximate the components of your answer to the nearest tenth meter per second. with an initial speed of 200 m/s. What is the velocity vector of the projectile after 11 seconds? Recall that A projectile is fired form the ground at an angle of   with an initial speed of 200 m/s. What is the velocity vector of the projectile after 11 seconds? Recall that   is the acceleration due to gravity on the Earth's surface. Approximate the components of your answer to the nearest tenth meter per second. is the acceleration due to gravity on the Earth's surface. Approximate the components of your answer to the nearest tenth meter per second.

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Find Find   . .

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Find the arc length of the Archimedes spiral Find the arc length of the Archimedes spiral   for   . Assume a is positive. for Find the arc length of the Archimedes spiral   for   . Assume a is positive. . Assume a is positive.

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A path is parametrized by A path is parametrized by   . Find the curvature of the path at the point   . . Find the curvature of the path at the point A path is parametrized by   . Find the curvature of the path at the point   . .

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For the parametrization For the parametrization   , find the unit normal vector at   . , find the unit normal vector at For the parametrization   , find the unit normal vector at   . .

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The curve The curve   intersects the   plane at which of the following points? intersects the The curve   intersects the   plane at which of the following points? plane at which of the following points?

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Find Find   , and   for  , and Find   , and   for  for Find   , and   for

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Parameterize the circle of radius Parameterize the circle of radius   with center   located in the plane   . with center Parameterize the circle of radius   with center   located in the plane   . located in the plane Parameterize the circle of radius   with center   located in the plane   . .

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Find Find   and   if   ,   , and   . and Find   and   if   ,   , and   . if Find   and   if   ,   , and   . , Find   and   if   ,   , and   . , and Find   and   if   ,   , and   . .

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The path of a particle satisfies The path of a particle satisfies   At   , the particle is located at: At The path of a particle satisfies   At   , the particle is located at: , the particle is located at:

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Consider the helix Consider the helix   .  A) Find the unit tangent vector   and the unit normal vector    B) Find the curvature  . A) Find the unit tangent vector Consider the helix   .  A) Find the unit tangent vector   and the unit normal vector    B) Find the curvature  and the unit normal vector Consider the helix   .  A) Find the unit tangent vector   and the unit normal vector    B) Find the curvature  B) Find the curvature Consider the helix   .  A) Find the unit tangent vector   and the unit normal vector    B) Find the curvature

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A particle has acceleration A particle has acceleration   , initial velocity   , and initial velocity   . Decompose   into tangential and normal components. , initial velocity A particle has acceleration   , initial velocity   , and initial velocity   . Decompose   into tangential and normal components. , and initial velocity A particle has acceleration   , initial velocity   , and initial velocity   . Decompose   into tangential and normal components. . Decompose A particle has acceleration   , initial velocity   , and initial velocity   . Decompose   into tangential and normal components. into tangential and normal components.

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Find the arc length parametrization of the curve Find the arc length parametrization of the curve   . .

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Consider the helix Consider the helix   .  A) Compute the center and the radius of the osculating circle at   .  B) Compute the equation of the plane containing the osculating circle. . A) Compute the center and the radius of the osculating circle at Consider the helix   .  A) Compute the center and the radius of the osculating circle at   .  B) Compute the equation of the plane containing the osculating circle. . B) Compute the equation of the plane containing the osculating circle.

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Determine whether the paths Determine whether the paths   and   intersect.    and Determine whether the paths   and   intersect.    intersect. Determine whether the paths   and   intersect.    Determine whether the paths   and   intersect.

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Let Let   ,   , and   .  A) Compute   using the cross product and the dot product rules for differentiating.  A). B) Compute the scalar triple product, differentiate it, and compare with the result in , Let   ,   , and   .  A) Compute   using the cross product and the dot product rules for differentiating.  A). B) Compute the scalar triple product, differentiate it, and compare with the result in , and Let   ,   , and   .  A) Compute   using the cross product and the dot product rules for differentiating.  A). B) Compute the scalar triple product, differentiate it, and compare with the result in . A) Compute Let   ,   , and   .  A) Compute   using the cross product and the dot product rules for differentiating.  A). B) Compute the scalar triple product, differentiate it, and compare with the result in using the cross product and the dot product rules for differentiating. A). B) Compute the scalar triple product, differentiate it, and compare with the result in

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