It depends on many factors such as the amount of explosives and climate. etc
There are particular sound signals that are to be used when you first get underway. One prolonged blast signifies that you are about to get underway. If you are going to make way in reverse, you need to signal an additional 3 short blasts.
Sailboat
Passing on your right side.Signals are (number of blasts):1. Passing you on your left (port) side2. Passing you on your right (starboard) side3. I am moving backwards (astern)4. Danger, don't do that (answer to the other three if dangerous)One short blast means 'I am changing course to starboard.'Two short blasts mean 'I am changing course to port.'Three short blasts mean 'I am operating astern.'Two prolonged blasts followed by one short blast to mean 'I intend to overtake you on your starboard side';Two prolonged blasts followed by two short blasts to mean 'I intend to over-take you on your port side.'A long blast every two minutes is used when operating in fog.
One Life to Live - 1968 She Who Blasts Last Blasts Best--- 1-10305 was released on: USA: 29 October 2008
The clue is in the question - in 1 billion seconds, there are 1 billion seconds!
1 day = 86,400 seconds
1 minute = 60 seconds
There are 60 seconds in 1 minute
92.2 seconds.
95 seconds
eighty seconds
86 seconds