, Lab Report
...angle of projection, with projections at different angles. Two projectile equipments were used, first was homemade catapult and a launcher that the physics department premade. Used equipments in the experiment were catapult and launcher, projectile (Penny), meter stick, protractor, sticky notes, and a calculator. The launcher was started with an angle of 100, horizontal distance measured, and the procedure repeated four times. Average value for the readings was obtained and recorded. The procedure was then repeated for the angles 200, 300, 400, 500, 600, 700, 800, and 900. The angle... with the longest distance was noted and uncertainties calculated for distance and angle....