A car was travelling west at 120ms when a motorist threw an. orange out of the window at a velocity of 80ms due south a)find the resultant velocity of the orange

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Anybody wanna ? (picture included? )

Explain earth's motion, using the terms "precession" and "rotation" in your answer.