Originally Posted by
Cody
The weakest one you're referring to is Gokus very first Kamehameha. That's a big difference between a normal ki blast fired by a mind controlled human. The weakest ki blast we saw was from kid Gohan, which he used to make a fire shortly after being abandoned in the woods.
We saw Videl get hurt by a bullet in BoG/DBS. We already know for a fact she can't take a bullet.