Quote:
Originally Posted by Raellus
I would also imagine that even at a mile or so away, the sound of a .50 firing would be audible, especially at high altitude. The atmosphere would be thinner and air pressure lower up there- wouldn't make the bullet and/or sound waves travel further and faster? It's been quite a while since I took physics.  |
The bullet would retain velocity for a longer period, but the sound would propagate less well -- sound needs a medium to travel through. It's why "in space, no one can hear you scream" -- there's virtually nothing up there for sound waves to propagate through. Or conversely, why whalesong can travel for thousands of miles -- the water is a denser medium and allows sound waves to propagate faster and further.
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