Kinematics Question 287
Question: If $ |\overrightarrow{A}\times \overrightarrow{B}|=|\overrightarrow{A}.\overrightarrow{B}|, $ then angle between $ \overrightarrow{A} $ and $ \overrightarrow{B} $ will be [AIIMS 2000; Manipal 2000]
Options:
A) $ 4\times 3 $
B) $ 5\times 6 $
C) $ 6\times 3 $
D) $ 4\times 6 $
Correct Answer: A $ W=\vec{F}\ \vec{S} $ $ =(4\hat{i}+5\hat{j})(3\hat{i}+6\hat{j})=12 $Show Answer
Answer:
Solution: