What describes how the spring constant affects the potential energy of an object for a given displacement from an equilibrium position?

Phase changes are chemical changes. true or false

Frank just graduated from eighth grade. assuming exactly four years from now he will graduate from high school how many seconds does he have until his high school graduation

Aviolently rotating column of air is formed around a region of extremely low air pressure above land. which of these weather conditions is most likely to follow? blizzard cyclone tornado hurricane