Rotation 5 Question 4
13. Two identical discs of same radius are rotating about their axes in opposite directions with the same constant angular speed . The discs are in the same horizontal plane.
At time
(c)
(b)
(d)
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Answer:
Correct Answer: 13. (a)
Solution:
- Language of question is wrong because relative speed is not the correct word. Relative speed between two is always zero. The correct word is magnitude of relative velocity.
Corresponding to above values, the correct graph is (a).