What is the wavelength of a 25 Hz wave traveling at 35m/s?

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

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

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •