Vectors Question 216
Question: Component of the vector $ \vec{A}=,2\hat{i}+3\hat{j} $ along the vector $ \vec{B},=(\hat{i}+,\hat{j}), $ is
Options:
A) $ \frac{5}{\sqrt{2}} $
B) $ 4\sqrt{2} $
C) $ \frac{\sqrt{2}}{3} $
D) None of these
Correct Answer: A [a] Component of $ \vec{A} $ along $ \vec{B}=,A,\cos ,\theta =,\frac{\vec{A}.\vec{B}}{B} $ $ =\frac{2+3}{\sqrt{1+1}},=\frac{5}{\sqrt{2}} $
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Answer:
Solution:
BETA
