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Find the Acceleration at Time T = -1 of a Particle

Question 72

Multiple Choice

Find the acceleration at time t = -1 of a particle whose position at time t is given by r(t) = 4t i + Find the acceleration at time t = -1 of a particle whose position at time t is given by r(t) = 4t i + j. A) a(-1) = -2j B) a(-1) = 2j C) a(-1) = i - 2j D) a(-1) = i + 2j E) a(-1) = 2i + j j.


A) a(-1) = -2j
B) a(-1) = 2j
C) a(-1) = i - 2j
D) a(-1) = i + 2j
E) a(-1) = 2i + j

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