Kinematics Question 282

Question: Let A=i^Acosθ+j^Asinθ be any vector. Another vector B Which is normal to a is [BHU 1997]

Options:

A) i^Bcosθ+jBsinθ

B) i^Bsinθ+jBcosθ

C) i^BsinθjBcosθ

D) i^BcosθjBsinθ

Show Answer

Answer:

Correct Answer: C

Solution:

Dot product of two perpendicular vector will be zero.



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