Projectile Motion Lab!! PLEASE HELP THIS IS FOR TOMORROW. I am a high school student in Grade 12. We are currently doing projectile motion. We are using a marble. The teacher said that we should neglect air resistance because it is a very heavy marble. The marble, in the projector, is sitting at 36.5 cm. There is no given angle because we will get one tomorrow. We need to launch the marble into a Styrofoam cup. We do not know what height the Styrofoam cup will be. If you could help me out with a formula, that would be great. Thank you.