Vectors 1 Question 16
17. A vector has components and 1 with respect to a rectangular cartesian system. This system is rotated through a certain angle about the origin in the counter clockwise sense. If, with respect to the new system, has components and 1 , then
(1986, 2M)
(a)
(b)
(c)
(d)
Show Answer
Answer:
Correct Answer: 17. (9)
Solution:
- Here,
, when a system is rotated, the new component of are and 1 .
i.e.
or