A ball with a weight of 156.8 N falls a distance of 100 m. What potential energy will the ball have just before it hits the ground? Formula for PE (potential energy) PE = mgh Formula for KE (kinetic energy) KE = 1/2 mv^2

Describe uniform velocity and variable velocity in short

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

The necleus of an atom is made up of what subatomic particles?