A they are elastic.
being in random motion means they're not predictable.
being elastic, they don't stick together
Answer:
122 mmHg
Explanation:
In the given problem, the height of the column will not be affected by the atmospheric pressure because the manometer end is closed.
The difference of height of the mercury level is given as,

Now as we know that the pressure of the gas is equal to the height in the case of closed end manometer.

Therefore,

This pressure is caused due to the presence of gas.
Therefore, the pressure of the argon gas in the container is 122 mmHg.
Explanation:
a) Acceleration is the change in velocity over change in time.
a = Δv / Δt
a = (-2.00 m/s − 5.00 m/s) / (14.0 s − 3.00 s)
a = -7/11 m/s²
a ≈ -0.636 m/s²
b) Force is mass times acceleration.
F = ma
F = (30.0 kg) (-0.636 m/s²)
F = -19.1 N