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The speed of sound in air at sea level is about 343 meters per second (1,235 km/h or 767 mph). At this speed, circling the Earth’s equator (roughly 40,075 kilometers or 24,901 miles long) would take about 32 hours without stopping. In contrast, the speed of light in a vacuum is about 299,792,458 meters per second (186,282 miles per second). At this speed, a beam of light could circle the Earth more than 7 times in just one second. This difference comes from the fact that light travels almost 900

The speed of sound in air at sea level is about 343 meters per seco…

1.2M views10 months ago

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