The object shown is sitting on a horizontal surface and has a mass of 220 kg. If a force of 495 N is applied vertically upward, what is the normal force acting on the object? We will round gravity to 10 m/s^2

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

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

What happens when a rubber rod is rubbed with a piece of fur?