A fireperson is 50 m from a burning building and directs a stream of water from a fire hose at an angle of 300
above the horizontal. If the initial speed of the stream is 40
m/s the height that the stream of water will strike the building is

Science and technology are interdependent. advances in one lead to advances in the other. give an example of this phenomenon.

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

Which best describes the difference between internal and thermal energy?