Please answer the question in the images.

What is the final velocity of the initial velocity of 25 and -50?

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

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is