johnmo3988 johnmo3988

30-01-2024
Physics

contestada

A disc of mass 1 kg of radius 1 m is rotating with angular velocity 20 rad/s. What is the angular velocity if the mass 25 kg is put on?

(a) 0.4 rad/s
(b) 0.8 rad/s
(c) 1.2 rad/s
(d) 1.6 rad/s

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