1. Please refer to the following vectors: A = 6i + 2j - 3k B = 3i - j - 2k C = -i + j - 4k D = j - 3k E = -i + 2k F = -5k G = 2i H = -3j I = -4i +4j  Solve A ⋅ B

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Chapter4: Motion In Two And Three Dimensions
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1. Please refer to the following vectors:

A = 6i + 2j - 3k
B = 3i - j - 2k
C = -i + j - 4k
D = j - 3k
E = -i + 2k
F = -5k
G = 2i
H = -3j
I = -4i +4j 

Solve A ⋅ B

 
2. A particle is moving at a velocity described by the function with respect to time. Find the acceleration of the particle at time t = 1 s.
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