Determine the position vector, r(1), at time 1 for a particle moving in 3-space and having acceleration t a(t) -4 k when its initial velocity and position are given by v (0) i+j- 4k, r(0) 3i+2j respectively. 1. г(1) = 3i – 4j+ 6k | 2. r(1) 3і+4j- 6k 3. г(1) 3i+ 4j+ 6 k 4. г(1) = 4i- 3j+6k

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