1. What is the height of the bar and the air pressure at that height when it stops near the top of the box?
2. What is the height of the bar and the air pressure at that height when it stops near the bottom of the box?
3. Do a visual comparison of the density of the air particles at the bottom of the box to those at the top of the box. Describe your observations.
a. The air particles at the bottom of the box appear more closely packed together compared to those at the top of the box.
b. The air particles at the top of the box appear more spread out compared to those at the bottom of the box.
c. The density of air particles appears to be uniform throughout the box.
d. There is no significant difference in the density of air particles between the top and bottom of the box.