A circular solid disc of uniform thickness 20 mm, radius 200 mm and m – McqOptions

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1.	A circular solid disc of uniform thickness 20 mm, radius 200 mm and mass 20 kg, is used as a flywheel. If it rotates at 600 rpm, the kinetic energy of the flywheel, in Joules is
A.	395
B.	790
C.	1580
D.	3160
Answer» C. 1580

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