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

  • question_answer
    Explain why the speed of a whirl wind in a tornado is alarmingly high?

    Answer:

                    In a whirl wind, air from nearby regions gets concentrated in a small space. Moment of inertia (I) decreases on account of decrease in distance. As \[\text{L}=l\omega \]= constant, therefore, angular speed w increases to alarmingly high values.                


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