Aforce of 25.0 n is applied 30° above the horizontal to a 5.0 kg box to move it across a smooth surface having coefficient of kinetic friction 0.2. draw and label all the forces and calculate the acceleration of the box.

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Hydrogen and helium are both members of?

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