How has the use of computer and advance in technology changed healthcare industry

Idon’t quite understand this problem

Which sound characteristic is not affected by the relative motion of an object

A2.0 μf capacitor and a 4.0 μf capacitor are connected in series across a 0.827-kv potential. the charged capacitors are then disconnected from the source and connected to each other with terminals of like sign together. find the voltage across each capacitor.