Physics Practice Problems Conservation of Energy with Rotation Practice Problems Solution: A 2 kg mass hangs from a rope wrapped around the s...

Solution: A 2 kg mass hangs from a rope wrapped around the surface of a cylindrical pulley. The pulley has a mass of 12 kg and a radius of 0.4 m. If the 2 kg mass is suddenly released, falling down, what angular speed will the cylinder have after the mass has fallen 1.7 m?

Problem

A 2 kg mass hangs from a rope wrapped around the surface of a cylindrical pulley. The pulley has a mass of 12 kg and a radius of 0.4 m. If the 2 kg mass is suddenly released, falling down, what angular speed will the cylinder have after the mass has fallen 1.7 m?