Data Mass of steel ball Mass of pendulum UO Readings of curved scale for maximum pendulum height: 1. 2. 3. 4. 5. Initial height cm Average reading cm Distance through which pendulum was raised cm Velocity of ball and pendulum (V) (Equation 5) cm/s Velocity of ball (v) (Equation 1) cm/s Vertical distance of ball above floor (y) cm Range Values 1. cm 2. cm 3. cm 4. cm 5. cm Average Range cm Velocity of ball from range measurements (v) (Equation 9) cm/s Percent difference in the two values of v %