The angular momentum immediately before and after the collision is equal. The rotational kinetic energy before the collision is greater than the rotational kinetic energy after the collision.
When a body is rotating in a plane about a center, the energy possessed by the body is known as rotational kinetic energy.
Angular momentum is the momentum of a body having circular motion.
According to the law of conservation of angular momentum, the momentum remains conserved before and after the collision.
In the given sphere rod system, after the sphere (m0) sticks to the rod(2m0), the mass increases to 3m0 due to which the moment of inertia is increased but the speed is decreased.
Rotational Kinetic Energy =[tex]\frac{1}{2}[/tex]Iω²
Thus, the angular momentum immediately before and after the collision is equal. The rotational kinetic energy before the collision is greater than the rotational kinetic energy after the collision.
Learn more about rotational kinetic energy and angular momentum.
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