Which of the following describes the least amount of work being done a. steam turning a turbine b. a batter hitting a baseball c. a ball hanging from a tall pole d. wind turning a windmill

An asteroid is discovered in a nearly circular orbit around the sun, with an orbital radius that is 2.47 times earth's. what is the asteroid's orbital period, its "year," in terms of earth years?

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

Alfred pushes on a heavy box, but cannot move it. the box has a lot of inertia motion friction gravity