The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 2 for r(t) = (5t - 3t4)i + (4 - t)j + (3t2 - 4t)k
A. a(2) = -144i - j + 6k
B. a(2) = 144i + 6k
C. a(2) = -36i + 6k
D. a(2) = -144i + 6k
Answer: D
Mathematics
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