A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at

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A hoop of radius 3 m weighs 100 kg. It rolls along a horizontal floor so that at its centre of mass has a speed of 200 mm/sec. The work required to stop the hoop is

Options:

A . 8 J

B . 6 J

C . 2 J

D . 4 J

Answer: Option D

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