A disc of mass M and radius R is rotating with angular veloc... — Physics | Mockzy | Mockzy

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A disc of mass M and radius R is rotating with angular velocity ω. Its kinetic energy is:

A

(1/4)MR²ω²

B

(1/2)MR²ω²

C

MR²ω²

D

(1/8)MR²ω²

A rigid body rotates about a fixed axis with a uniform angular acceleration α. I

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