From the diagram below, which of the following represents the vector V in component form?...
FURTHER MATHEMATICS
WAEC 2012
From the diagram below, which of the following represents the vector V in component form?
- A. \(-5\sqrt{3} i + 5j\)
- B. \(3i + 3\sqrt{3}j\)
- C. \(i + 2\sqrt{3}j\)
- D. \(-2\sqrt{3}i - j\)
Correct Answer: B. \(3i + 3\sqrt{3}j\)
Explanation
\(V = V\cos \theta i + V\sin \theta j\)
\(6N = 6 \cos 60 i + 6 \sin 60 j\)
= \(3i + 3\sqrt{3} j\)
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