A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kgm² rolls – McqOptions

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1.	A disc of mass 4 kg, radius 0.5 m and moment of inertia 3 kgm² rolls on a horizontal surface so that its center moves with speed 5 m/see. Kinetic energy of the disc is
A.	50 J
B.	150 J
C.	200 J
D.	400 J
Answer» D. 400 J

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