Q1. A propeller spins at 1780 rev/min.
(a) What is an angular velocity in rad/s?
(b) What is an angular displacement of the propeller in 4.9 s?
Q2. A flight attendant pulls her 72.0 N flight bag a distance of 282 m along a level airport floor at a constant speed. The force she exerts is 33.0 N at an angle of 52.0° above the horizontal.