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Vectors in two and three dimensions — Question 288

Original QCE Vault practice · 1 mark

Q288 · Practice questionTechnology-freeSimple familiar1 mark

QUESTION 288

A position vector is a=3i+4j+5k\mathbf a=3\mathbf i+4\mathbf j+5\mathbf k. Its altitude angle above the xy-plane is
(A)
π/4\pi/4
(B)
π/6\pi/6
(C)
π/3\pi/3
(D)
arctan⁡(5/3)\arctan(5/3)
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