Charlotte is driving at 68.0 mi/h and receives a text message. She looks down at her phone and takes her eyes off the road for 4.57 s. How far has Charlotte traveled in feet during this time?

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?