destinytofell2439 destinytofell2439 27-02-2024 Physics contestada A ball of mass 1 kg is suspended by a string 30 cm long. Keeping the string always taut, a ball describes a horizontal circle of radius 15 cm. Calculate the angular speed. a) 2 rad/s b) 3 rad/s c) 4 rad/s d) 5 rad/s