HELP 22. If a man throws a ball with an average velocity of 15 feet second and it flies 200 feet before hitting the ground, what was the time of the flight?

Asap and show ! a 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earths velocity. earth mass is 6.0 * 10^24 kg. show your work assuming the rock earth system is closed.

How much energy is supplied to each coulomb of charge that flows through a 12-v battery?

What types of radiation make up the electromagnetic spectrum?