1. Convert 675 rad/s to rpm.
2. Convert 285 rpm to rad/s.
3. Convert 136 rpm to rad/s.
4. Convert 88.4 rad/s to rpm.
5. A motor turns at a rate of 11.0 rev/s. Find its angular speed in rpm.
6. A rotor turns at a rate of 180 rpm. Find its angular speed in rev/s.