My brother actually said this and felt that it would not effect the person's hand. He said, theoretically, if a person were to move their hand from the side of the bullet (so as to slap the bullet) , at the same speed as the bullet, the bullet would would change its direction and the hand would...
I always have a lot of question about physics, and I have joined this forum to help me solve them, so I can finally put my mind to ease ( I keep thinking about the question all the time) :) .