The photoelectron spectra above show the energy required to remove a 1s electron from a nitrogen atom and from an oxygen atom. which of the following statements best accounts for the peak in the upper spectrum being to the right of the peak in the lower spectrum?

Students design a model roller-coaster track. they place a rubber ball at the highest point on the track and let it go. the ball rolls along the track pulled only by the force of gravity. eventually, it comes to a stop. which change to the design will result in the ball moving the greatest distance?