Exam 10: Parametric Equations, Polar Coordinates, and Vectors

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Sketch the curve represented by the parametric equations,and write the corresponding rectangular equation by eliminating the parameter. ​ Sketch the curve represented by the parametric equations,and write the corresponding rectangular equation by eliminating the parameter. ​   ​

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Find Find   . ​   ​ . ​ Find   . ​   ​

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Find the length of the curve over the given interval. Find the length of the curve over the given interval.

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Find the arc length of the curve on the given interval. ​ Find the arc length of the curve on the given interval. ​

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Classify the graph of the equation as a circle,a parabola,an ellipse,or a hyperbola. ​ Classify the graph of the equation as a circle,a parabola,an ellipse,or a hyperbola. ​   ​

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​The position vector of a particle moving in the xy-plane is ​The position vector of a particle moving in the xy-plane is   for   .For what value of y does the path of the particle have a horizontal tangent? ​ for ​The position vector of a particle moving in the xy-plane is   for   .For what value of y does the path of the particle have a horizontal tangent? ​ .For what value of y does the path of the particle have a horizontal tangent? ​

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Find Find   . ​   ​ . ​ Find   . ​   ​

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Find the second derivative Find the second derivative   of the parametric equations   ,   . ​ of the parametric equations Find the second derivative   of the parametric equations   ,   . ​ , Find the second derivative   of the parametric equations   ,   . ​ . ​

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Match the equation with the graph shown in red below. ​ Match the equation with the graph shown in red below. ​   ​

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Find Find   given the following vector function. ​   ​ given the following vector function. ​ Find   given the following vector function. ​   ​

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Use the given acceleration function and initial conditions to find the position at time Use the given acceleration function and initial conditions to find the position at time   . ​   ​ . ​ Use the given acceleration function and initial conditions to find the position at time   . ​   ​

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Find the area of the inner loop of Find the area of the inner loop of   . ​ . ​

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Match the equation with its graph. ​ Match the equation with its graph. ​   ​

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A particle moves in the yz-plane along the curve represented by the vector-valued function A particle moves in the yz-plane along the curve represented by the vector-valued function   .Find the minimum value of   . ​ .Find the minimum value of A particle moves in the yz-plane along the curve represented by the vector-valued function   .Find the minimum value of   . ​ . ​

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​A particle moves in the xy​-plane so that its velocity vector for time ​A particle moves in the xy​-plane so that its velocity vector for time   is   .Which one of the following statements is true about the particle when   ? ​ is ​A particle moves in the xy​-plane so that its velocity vector for time   is   .Which one of the following statements is true about the particle when   ? ​ .Which one of the following statements is true about the particle when ​A particle moves in the xy​-plane so that its velocity vector for time   is   .Which one of the following statements is true about the particle when   ? ​ ? ​

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Determine the interval on which the vector-valued function Determine the interval on which the vector-valued function   is continuous. ​ is continuous. ​

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Find r' (t)given the following vector function. ​ Find r' (t)given the following vector function. ​   ​

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Find r' (t)given the following vector function. ​ Find r' (t)given the following vector function. ​   ​

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Uranus moves in an elliptical orbit with the sun at one of the foci.The length of the half of the major axis is 2,876,769,540 kilometers,and the eccentricity is 0.0444.Find the minimum distance (perihelion)of Uranus from the sun.Round your answer to nearest kilometer. ​

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​A particle moves in the xy-plane such that its position for time ​A particle moves in the xy-plane such that its position for time   is given by   and   .What is the slope of the tangent to the path of the particle when   ? ​ is given by ​A particle moves in the xy-plane such that its position for time   is given by   and   .What is the slope of the tangent to the path of the particle when   ? ​ and ​A particle moves in the xy-plane such that its position for time   is given by   and   .What is the slope of the tangent to the path of the particle when   ? ​ .What is the slope of the tangent to the path of the particle when ​A particle moves in the xy-plane such that its position for time   is given by   and   .What is the slope of the tangent to the path of the particle when   ? ​ ? ​

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