Calculate the energy difference for a transition in the Paschen series for a transition from the higher energy shell n=4n=4 . Express your answer to four significant figures and include the appropriate units.

Which body is in equilibrium? (1) a satellite orbiting earth in a circular orbit (2) a ball falling freely toward the surface of earth (3) a car moving with a constant speed along a straight, level road (4) a projectile at the highest point in its trajectory