JIPMER2005PhysicsRotational Motion
A particle is kept at rest at the top of a sphere of diameter 42 m . When disturbed slightly, it slides down. At what height h from the bottom, the particle will leave the sphere?
Options
- A14 m
- B28 m
- C35 m
- D7 m
Correct answer
C. 35 m
Step-by-step solution
The condition of slipping by particle from top is given by =2 / 3 From the figure, h=r =21 2 3 =14 ~m Therefore, the required height at which the particle will leave the sphere is =21+h=21+14=35 ~m