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

Right Answer: B. K.Ehoop = 2K.Edisc

December 13, 2017   Hassan Ali    Physics  
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