The greatest speed with which an athlete can jump vertically is around 5 m/sec. Determine the speed at which earth move down if a 670 N athlete jumped up at 2.0 m/sec. (Earth's mass = 10 • 10^24)

Will give brainliest! jay rides his 2.0-kg skateboard. he is moving at speed 5.8 m/s when he pushes off the board and continues to move forward in the air at 5.4 m/s. the board now goes forward at 13 m/s.a. determine jay’s mass.b. determine the change in the internal energy of the system during this process.(express your answer to two significant figures and include the appropriate units.)

How did the germans define who was jewish?

Does the asteroid belt revolve around the sun?