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11-86.

Multiple Choice: A particle moves on a plane curve so that at any time its coordinates are given by , . The acceleration vector of the particle at is: Homework Help ✎

  1. 〈1, 2〉

  1. 〈4, 2〉

  1. 〈8, 2〉

  1. 〈24, 2〉

  1. 〈48, 2〉