about 0.29 second
Sound travels at a speed of approximately 343 meters per second in air. The circumference of the Earth is about 40,075 km, so it would take around 2 hours and 45 minutes for sound to travel around the Earth once.
Sound travels at approximately 343 meters per second (1,125 feet per second) in air at room temperature. The Earth's circumference is about 40,075 kilometers (24,901 miles). Therefore, it would take sound roughly 1.2 hours to travel around the world if conditions were ideal and there were a continuous medium for sound to propagate. However, in reality, sound cannot travel through the vast distances of the atmosphere without significant attenuation.
It would take approximately 1 year to travel 1 light year at the speed of sound, which is around 767 mph (1,234 km/h). However, it is important to note that the speed of sound is much slower than the speed of light, which travels about 186,282 miles per second (299,792 km/s).
Sound can not travel in the vacuum of space, but if it could, and assuming the same speed as in normal air, then it would take about 19 years for sound to travel 93 million miles at 768 miles per hour.
Incredible as it might sound, even traveling at 20,000 miles per hour the trip to Proxima Centauri (V645 Centauri) would take 142,241 years!
2
There is no sound in space.
1000.3848995m/s
Since the moon has little to no atmosphere, sound cannot move as it has no medium to travel thru.
Sound waves can't travel through space.
Travelling at 100 m per second? per minute, per hour, day, year?
Sound travels at approximately 343 meters per second in air at room temperature. Therefore, it would take about 2.9 seconds for sound to travel 1000 meters in air.
10.75
about 347 m/s (miles per second)
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