Kinematics Question 268

Question: The angle between two vectors 2i^+3j^+k^ and i^+2j^4k^ it’s [EAMCET 1990]

Options:

A) 0°

B) 90°

C) 180°

D) None of the above

Show Answer

Answer:

Correct Answer: B

Solution:

cosθ=A.B|A||B|=2+641421=0 \ θ=90



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