Another experiment showed the velocities for a trial to be 1.0 m/s, 2.5 m/s, 4.5 m/s, and 7.0 m/s when measured at the same time. What trend occurred in the average acceleration?
Correct answer: B. It decreased by 10.0 m/s2 each interval
- A. It was constant
- B. It decreased by 10.0 m/s2 each interval
- C. It decreased by 5.0 m/s2 each interval
- D. It increased by 5.0 m/s2 each interval
Explanation
The correct answer is Option B: It decreased by 10.0 m/s2 each interval. This is because the velocities increased from 1.0 m/s to 2.5 m/s (an increase of 1.5 m/s), then from 2.5 m/s to 4.5 m/s (an increase of 2.0 m/s), and finally from 4.5 m/s to 7.0 m/s (an increase of 2.5 m/s). The differences between these velocities indicate a decreasing trend in average acceleration. The other options are incorrect as they do not accurately reflect the relationship between the velocities and acceleration as described in the experiment.
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