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