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A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?
Physicsmedium
AK.E hoop = K.E disc
K.E hoop = 2K.E disc
CK.E hoop = 1/2K.E disc
DK.E hoop = 4K.E disc
Correct Answer: B. K.E hoop = 2K.E disc
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