Q1. A basketball player achieves a hang time of .658 s in dunking the ball. What vertical height will he attain? The acceleration of gravity is 9.8 m/s2.
Q2. A flight attendant pulls her 73 N flight bag a distance of 245 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 54° above the horizontal.
(a) Find work she does on the flight bag.
(b) Find work done by the force of friction on the flight bag.
(c) Find coefficient of kinetic friction between the flight bag and the floor.