1. A 0.2Kg stone is tied to the end of a string which is 0.5m long. It is whirled in a horizontal circle at a centripetal acceleration of 10m/s2 . What is the: A) angular speed B) linear speed C) centripetal force 2. A bicycle wheel turns at a constant angular velocity of 10 rad/sec. What is the distance travelled by the bicycle in 30 minutes if the radius of the wheel is 20cm? 3. A bicycle wheel has a radius of 0.4m and a point on its rim moves with a speed of 6m/s. What is its angular velocity? 4. The angular velocity of a body increases from 4rad/sec to 16rad/sec If the angular acceleration ofthe body is 4 rad /s2, calculate: A) the angular distance. B) the angular speed at t=2s. 5. Convert one unit of angular displacement to another. A) 42 rev to radian B) 60 to rad ) 4 radian to rev 6. A trolley moves round a circular track of radius 0.3m at 2rev/s. What is the value of: A) angular speed B) period? C) linear speed