A soccer player kicks a ball at an intial speed of 11.0 m/s at an angle of 40.0 degrees to the ground.
a) How far will the ball travel horizontally?
b) How long is it in the air?
a.) The horizontal displacement of the ball
R = u^2*sin(2Theta)/g
u = ...
This answer is provided in 62 words. It uses brief equations to find displacement and time of the ball once it has been kicked.