1.

Two boys of the same weight sit at the opposite ends of a diameter of a rotating circular table. What happens to the speed of rotationif they move nearer to axis of rotation?

Answer»

SOLUTION :The moment of inertia of the system (ciruclar table+ two boys) decreases. To CONSERVE angular momentum (L`=I omega=` CONSTANT), the speed of rotation of the circular table INCREASES.


Discussion

No Comment Found