What is the difference between geben and hergeben ?Feel free to just provide example sentences.

geben: to give
hergeben: to give up sth. (in your possession); to part with (sb./sth.); to (be able to) yield (reward/fruits/...)

Mein Vater hat mir 50 Euro gegeben
My dad gave me 50 euro

A: Kannst du nicht schneller fahren? (Can't you go (drive) any faster?)
B: Das gibt die alte Karre nicht mehr her. (This old ride doesn't go any faster; literally something like "This old ride does not "give/yield" more speed")

Ich habe ihn schon dutzende Male gefragt, aber seine neue Kamera will er einfach nicht hergeben.
I asked him dozens of times already, but he won't give up (i.e. lend me) his new camera.

Gib schon/endlich her! (casual, might be perceived as impolite or even aggressive sometimes)
Give it up, already!; Hand it over already!

Diese Informationen geben aber nicht viel her.
This information is not really useful (lit.: "doesn't yield much value/information/...."