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  5. Systems Of Particles & Rotational Motion / कणों के निकाय तथा घूर्णी गति

11th Class Physics Systems Of Particles & Rotational Motion / कणों के निकाय तथा घूर्णी गति

  • question_answer 12)
    A solid cylinder of mass 20 kg rotates about its axis with angular speed . The radius of the cylinder is 0.25 m. What is the kinetic energy associated with the rotation of the cylinder ? What is the magnitude of angular momentum of the cylinder about its axis ?  

    Answer:

    Here M = 20 kg, M.I. of the cylinder about its own axis,   Rotational K.E. . Angular momentum, .  


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