Kinematics 6 Question 2
2. Two vectors and have equal magnitudes. The magnitude of is ’ ’ times the magnitude of . The angle between and is
(2019 Main, 10 Jan II)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 2. (c)
Solution:
- Given,
Let magnitude of
Now,
and
Given,
Dividing Eq. (ii) with Eq. (iii), we get