Calculate the rotational kinetic energy

Reference no: EM13999559

A disc rotates around an aide. The mass of the disc is 3 kg; the angular speed of the disc is 5 rad/s; arid the radius of the disc is 4 m.

(a) Calculate the rotational kinetic energy, and

(b) The magnitude of the angular momentum of the disc. The centre-of-mass rotational inertia of a disc is I_cm - mr²/2.

Reference no: EM13999559

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