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

  • question_answer
    The speed of a whirl wind in a tornado is alarmingly high. Why?

    Answer:

                    In a whirl wind, the air from nearby region gets concentrated in a small space thereby decreasing the value of moment of inertia considerably. Since, \[I\omega =\]constant, due to decrease in moment of inertia, the angular speed becomes quite high.


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