When temp is below 0 what process causes atoms to begin to clump

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

If state law mandates that elevators cannot accelerate more than 2.40 m/s2 or travel faster than 14.8 m/s , what is the minimum time in which an elevator can travel the 373 m from the ground floor to the observatory floor? ?

What happens to the electrostatic force between two charged particles if the distance between them is doubled?