The purpose of this experiment is to determine the correlation between the initial height of a tennis ball and the time it takes for it to complete three bounces. The autonomous variable comprises of the various initial heights, ranging from 0.1 m to 2.4 m with an interval of 0.2 m while the dependent variable is measured using a stopwatch application on a smartphone named Alternator.The controls consist of measuring both the number of bounces and tennis ball's initial velocity in each trial.To conduct this experiment, one requires a meter stick, timer, tennis ball, and an open area without obstacles. The uncertainties for these instruments are recorded at 0.005 m for meter stick measurement and 0.01 s for timing equipment.Five trials will be conducted per measurement point, including unsuccessful data points supported by chairs where necessary.Since measuring below 0.4 meters m
...ay be difficult with phone timers; hence that will be our smallest measurement point.Marking every increment point in intervals of 0.2 meters from there up until reaching as high as possible on a chair (i.e., up to 2.4m)will enable us to collect all essential data.Drop each tennis ball from every designated point and record its bounce times accordingly after clearing out any obstructions or hindrances in the testing area.Mark each height point after measuring them using meter sticks before commencing data collection recording procedures until you reach your final target at precisely two-point four meters above ground level.Experiments must begin following these steps: marking off wall measurements starting at about .04 m then repeating them gradually upwards towards their highest reachable limit while dropping each tennis ball five times at different timings throughout their descen
period during said drop-time exercise sessions via cell phones or smartwatches equipped with timing apps such as "Alternator" app capable enough to handle accurate clocking tasks.
Perform five trials for every point between 0.4 and 2.4 meters, ensuring consistency in bounce factor by using the same tennis ball throughout the experiment. If any abnormal results are obtained, discard them and repeat those specific trials.
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