A flight attendant pulls her 74 N flight bag a distanceof 318 m along a levelairport floor at a constant velocity. The force she exertsis 36 N at an angleof 54° above thehorizontal.
(a) Find the work she does on the flight bag.
J
(b) Find the work done by the force of friction on the flight bag.
J
(c) Find the coefficient of kinetic friciton between the flight bagand the floor.