Describe the relative amounts of potential and kinetic energy for a book in the following situations.

a. the book on a high shelf which is 2 meters of the ground.
b. the book after it has fallen off a 2-meter shelf and is now 1-meter of the ground.
c. the book just before it hits the ground.

Asmall, positively charged ball is moved close to a large, positively charged ball. which describes how the small ball likely responds when it is released? it will move toward the large ball because like charges repel. it will move toward the large ball because like charges attract. it will move away from the large ball because like charges repel. it will move away from the large ball because like charges attract.

The experiment was repeated many years later but the gases were mixed in a different type of container. a white solid was obtained which was xenon fluoride. predict whether you think 1) krypton and 2) radon will react with fluorine. explain reasons for your predictions

What occurs during a combustion reaction