Kinematics Question 445

Question: Given that X A+B+C = 0, out of three vectors two are equal in magnitude and the magnitude of third vector is 2 times that of either of two having equal magnitude. Then, angle between vectors are given by

Options:

A) 30,60,90

B) 45,45,90

C) 90,135,45

D) 90,135,135

Show Answer

Answer:

Correct Answer: D

Solution:

[d] Angle between A and B it’s 90o

Between B and C it’s 135

and that between A and C it’s 135 .



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