The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = ln(t3 - 5t2 + 5)i - 
j - 2cos(t)k
A. v(0) = - 
j
B. v(0) = 
j
C. v(0) = 
i - 
j
D. v(0) = 
i - 
j + 2k
Answer: A
Mathematics
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