Name Section Date 83. 6 EXPERIMENT S 35 Vertical distance of fall y Velocity of projection from range Highest position of ballistic and fall measurements pendulum: Reading of curved scale Trials Average reading 1. 14 2. 21 3. 20 4. 18 5. 19 Vertical distance h, or the average height of the center of gravity Mass of the pendulum bob 265.5 of the pendulum in its highest 13. 8 (m Mass of the ball 62. 5 9 position Velocity of the pendulum and ball Vertical distance h2 or the height just after the collision of the center of gravity of the Velocity of the ball before the pendulum in its lowest position 5, 5 cm collision Vertical distance h through which Difference between this value of v the center of gravity of the and that found from the range pendulum was raised measurement he Percent difference CALCULATIONS 1. From the data of Procedure 3, compute the average range of the projectile. 2. Calculate the deviation of each of your range measurements from your average and then calcu- late the average deviation (a.d.)