a planes average speed between two cities is 600 km/hr. if he takes 2.5 hrs. how far does the plane fly

Who was the first scientist to measure speed as distance over time?

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 situation will produce the greatest change of momentum