Question

Students want to design an experiment to study gravity. They decide they will drop four objects with the same mass from the top of their school’s bleachers. They will time how long each object takes to reach the ground. How can they improve confidence in the experiment’s results?(1 point)
Responses

Let a different student time the drop of each object.
Let a different student time the drop of each object.

Drop all four objects at once.
Drop all four objects at once.

Randomly select the order in which the objects are dropped.
Randomly select the order in which the objects are dropped.

Drop each object 10 times and use the average of each object’s fall times.

Answer 1

To improve confidence in the experiment’s results, the best option would be:

**Drop each object 10 times and use the average of each object’s fall times.**

This approach allows for better accuracy by minimizing the effects of any one-off errors and variations in timing, thus providing a more reliable measurement of how long it takes each object to reach the ground.