In order to get to class on time, Emily runs up a flight of stairs. Estimate her increase in potential energy, and the power she exerts in her run. Be sure to state which quantities you are putting into your estimate, and the values you are using.

Asmall 21 kilogram canoe is floating downriver at a speed of 1 m/s. what is the canoe's kinetic energy?

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

Amira pulls a 3 pound wagon 4 feet. how much work has she done?