A football player (m=115g) is sitting on the ground. A playerkicks the ball with a force of 36 N. The force acts over a distanceof 25 cm and is along the direction of motion of the soccerball.
A) What is the speed of the ball after being kicked?
B)When the ball reaches a height of 6.5m , it has a speed of4.2 m/s. How much work does the non-conservative force of airresistance do on the ball?