Explain what could happen to the particles when substances are on zero kelvin

Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?

If the work required to stretch a spring 3 ft beyond its natural length is 15 ft-lb, how much work is needed to stretch it 27 in. beyond its natural length?