1. Inconsistent dropping height - If the student did not drop all three balls from the same height, the time it takes for each ball to hit the ground will be different due to the influence of gravity on objects at different heights.
2. Human error in timing - The student may have inaccurately measured the time it took for each ball to hit the ground, resulting in potential errors in the data.
3. Air resistance - If the experiment was conducted in an area with air resistance, the balls may have experienced drag, which could affect the timing and accuracy of the experiment.
4. Surface conditions - If the ground surface is not flat and smooth, the balls may bounce or roll upon impact, affecting the timing of when they hit the ground.
5. Incomplete data collection - If the student only drops each ball once, there may be variability in the results due to factors that are not accounted for in a single trial. Multiple trials should be conducted to reduce the impact of random errors.
a student is investigating gravity and falling objects. she drops three balls and times how long it takes each ball to hit the ground. what is the most likely source of error
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