In volleyball, the amount of time the server can take to serve after the whistle is blown varies based on what organization you are playing under. Some time around five seconds is usually used, though.
The air you blown in.
Could be referring to the time limit (ten seconds) the server has to serve the ball once the whistle has blown. Could also refer to the rule changes that have been implemented to speed up the game, such as scoring on every serve regardless of which team serves.
Always. Even if the whistle was accidental, play must stop.
If the whistle is blown before the ball completely crosses the goal line then no goal may be awarded.
the whistle is blown
Yes you can. However, only in fights mostly.
if you move once on the block after whistle is blown you can be disqualifed for false start.
You cannot hear a dog whistle because it emits an ultrasonic sound that is above the range of human hearing. Dogs with their excellent hearing have no trouble hearing the tone of the whistle.
The game begins with the referees whistle blown, followed by the kick off.