Rotational Motion Sample Problems

1. The blades of a toy chopper have a 30cm long radius and rotate at 315rad/s.
a. What is the angular velocity of the blades in rpm?
b. What is the linear velocity of the tips?

Answer and Help

2. A car undergoes a 2.5m/s2 linear acceleration. If the wheels are 1m in diameter, what is their angular acceleration?

Answer and Help