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Physics Chemistry

Entry Test MCQ :: Circular Motion

  A hoop and disc have same mass and radius. Their rotational K.E are related by an equation
[A]. K.Ehoop = K.Edisc[B]. K.Ehoop = 2K.Edisc
[C]. K.Ehoop = 1/2K.Edisc[D]. K.Ehoop = 4K.Edisc

Answer: Option B
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