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Qn #1836
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The vector $\vec{B} = 3\vec{i} + 4\vec{k}$ is to be written as the sum of a vector $\vec{B_1}$ parallel to $\vec{A} = \vec{i} + \vec{j}$ and a vector $\vec{B_2}$ perpendicular to $\vec{A}$. Then $\vec{B_1}$ is:
A.
$\dfrac{3}{2}(\vec{i} + \vec{j})$
B.
$\dfrac{2}{3}(\vec{i} + \vec{j})$
C.
$\dfrac{1}{2}(\vec{i} + \vec{j})$
D.
None of these
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❓ Question: The vector $\vec{B} = 3\vec{i} + 4\vec{k}$ is to b... | TANCET Group Studies | Tancet Group Studies