If the opponent has established position out of bounds (at least one foot on the floor) then the ball would still be yours. If the opponent is in the air and has not established position out of bounds the ball is still live.
who ever was the last person to touch the ball before it hits the floor out of bounds or if the person out of bounds catches it the other team gets it
That is called a foul or 'personal foul'.
Assuming it has come of an opponent; if it crosses a side line its a throw in, if its a base line it is either a corner (attacking end) or a Goal Kick (defensive end)
a throw in, in soccer is awarded when the ball is out of bounds but only on the side lines
in order for a ball in basketball to be considered to be out of bounds the ball MUST touch/hit the ground out bounds ... if the ball does not touch/hit out of bounds the ball is still live a play can go out of bounds to throw/pass the ball back in bounds so long as the player that is going for the ball bounds feet are in the air when he makes contact with the ball ...
5 seconds
no never
It is called a "Throw in".
You have to beat up your opponent so badly you can throw them in the ambulance
18 Feet maybe 15 feet from the backboard in the NBA, high school and maybe middle school, but 12 for elementary and lower
The right analog stick
resel
5 seconds