Final answer:
Human error in an experiment like failing to account for wind speed when measuring distance traveled leads to inaccurate results. Improvement in procedures or controlling environmental factors can mitigate such errors.
Step-by-step explanation:
One example of human error in an experiment is the failure to account for wind speed when measuring the distance traveled. This type of error can lead to inaccurate results because external factors such as wind can have a significant influence on the outcome of an experiment involving motion. For instance, when comparing the experimental acceleration found in an experiment to the assumed value of 9.8 m/s² (the acceleration due to gravity), any significant discrepancies might be attributed to this kind of oversight.
Errors in experiments can be categorized into chance error and bias. In the context of physics, especially in experiments that involve motion and measure distances, variables like wind speed can have practical effects on the objects in question. If an experiment assumes there is no wind resistance but there actually is some wind, this can skew the measurements and lead to incorrect conclusions. Therefore, a procedure improvement would include accounting for environmental factors like wind speed, or conducting the experiment in controlled conditions where such factors are eliminated or properly accounted for.