Kinematics Question 273
Question: The angle between the two vectors $ \overrightarrow{A}=5\hat{i}+5\hat{j} $ and $ \overrightarrow{B}=5\hat{i}-5\hat{j} $ will be [CPMT 2000]
Options:
A) Zero
B) $ 45{}^\circ $
C) $ 90{}^\circ $
D) $ 180{}^\circ $
Correct Answer: C $ \vec{A}.\vec{B}=0 $ $ \theta =90{}^\circ $
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