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Let a > b. Suppose a particle moves in an elliptical path given by r(t) =...

  1. Let a > b. Suppose a particle moves in an elliptical path given by r(t) = (a cos ωt) i+(b sin ωt) j where ω > 0. Sketch its velocity and acceleration vectors at one of the vertices of the ellipse (±a, 0).

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