Calculate the velocity of the boat immediately after, assuming it was initially at rest. The mass of the child is 24.0 kg and that of the boat is 35.0 kg . (Take the package's direction of motion as positive.)

Asample of a gaseous substance changes into a liquid

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 accounts for an increase in the temperature of a gas that is kept a constant volume