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A vector of magnitude 10 has direction cosines (3/5, 0, 4/5). Its components are:
A(3, 0, 4)
B(5, 0, 5)
C(6, 0, 8)
D(0, 6, 8)
Answer & Solution
Correct answer: C. (6, 0, 8)
Each component is the magnitude times the cosine, giving 6, 0 and 8.
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