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The equation r t cos 2t i sin 2t j t20 describes the motion of...

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Calculus

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The equation r t cos 2t i sin 2t j t20 describes the motion of a particle moving along the unit circle Answer the following questions about the behavior of the particle a Does the particle have constant speed If so what is its constant speed b Is the particle s acceleration vector always orthogonal to its velocity vector c Does the particle move clockwise or counterclockwise around the circle d Does the particle begin at the point 1 0 a Select the correct choice below and fill in any answer boxes w your choice OA The particle s constant speed is OB The particle s speed is not constant

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