Rotational Motion Question 2
Question: Initial angular velocity of a circular disc of mass M is C . Then, two small spheres of mass m are attached gently to two diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?
[AIEEE 2002]
Options:
A)
B)
C)
D)
Show Answer
Answer:
Correct Answer: C
Solution:
- [c] Conservation of angular momentum gives
and s