Kinematics Question 572

Question: If the magnitudes of vectors A, B and C are 12, 5 and 13 unit respectively and A + B = C, the angle between vectors A and b is:

Options:

A) 0

B)π

C) π2

D)π4

Show Answer

Answer:

Correct Answer: C

Solution:

[c] 132=122+52+2×12×5cosθ

θ=90



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