Projectile motion is applied today in jobs and other things too. People can use projectile motion in hunting animals so the know what angle to shot so it will hit the animal. Many sports use projectile motion everyday. In soccer, the players need to understand projectile motion so they know the angle and force to kick the soccer ball to reach a certain distance. Without projectile motion they would be missing targets and their distances would be off too.
People can use projectile motion to determine a lot of things.
Basketball players need projectile motion so they can make a basket. Without projectile motion they wouldn't know what angle to shoot the ball to make it in the hoop. Those are examples of how projectile motion is used today. There are formulas used to find projectile motion.