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Homework Help: Particle moving in an XY direction

  1. Aug 22, 2011 #1
    The Position of a particle moving in an XY direction is given by r={(2)t^3-(5)t }i + { (6)-(7t^4) }j. Calculate
    (a) r
    (b) v
    (c) a
    when t=2 sec.
  2. jcsd
  3. Aug 23, 2011 #2


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