These sparks travel at speeds that are fast even for lightning—around 10 to 100 million meters per second—and produce very powerful radiofrequency (RF) radiation as high as … It is symbolized as mps or m/s. Follow Elizabeth Palermo on Twitter @ techEpalermo . This speed is near 300,000,000 meters per second. Meters per second is a metric system speed unit to express the number of meters covered in one second. The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. A three-second count, then, would place the lightning strike about 1,020 m away, or roughly 1 km. Speed of sound: 340 m/s or 0.21 mi/s. How fast is a lightning? How to convert m/s to ft/s? After you see lightning, count the number of seconds until you hear thunder. A flash preceding thunder by five seconds would indicate a distance of approximately 1.7 km or 1.1 mi (5 × 343 m). Follow LiveScience @livescience . The speed of light in vacuum is:186,282 miles per second.299,792,458 meters per second. This would result in a top speed of 12.75 meters per second, or 28.53mph – and a new world record of 9.27 seconds. From these two entries you will have your results expressed in a number of forms. I know superman can go at least Mach 4, Which is 4 times the speed of sound(4 * 330 = 1320 meters / second)1320 m/s = 2953 mph Can Flash run faster A lightning flash preceding its thunder by one second would be approximately 343 m (1,125 ft) in distance; a delay of three seconds would indicate a distance of about 1 km or 0.62 mi (3 × 343 m). Thunder is the vibration that is emitted by the rapid expansion and contraction of air. To convert meters per second to feet per second, multiply the meters per second value by 3.28084. At 5-foot-11 and 130 pounds, she was lightning fast. How can I tell how far I am from the lightning? Lightning is the flash of light that occurs when charge separation occurs. You will also have time taken to travel certain distances such as seconds per metre or seconds per 100 meters. Speed of light: 3 x 108 meters per second (m/s) or 2 x 105 miles per second (mi/s). Lightening travels at a blazing 186,000 miles (299,000 kilometers) per second. Like other forms of light, the light emitted from the lightning travels near the speed of light. See the example on the next page. The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics.Its exact value is defined as 299 792 458 metres per second (approximately 300 000 km/s, or 186 000 mi/s).It is exact because, by international agreement, a metre is defined as the length of the path travelled by light in vacuum during a time interval of 1 ⁄ 299 792 458 second. Wilma watchers in the late 1950s and early '60s were admonished: don't blink. 1 Meter per second (m/s) is equal to 3.28084 feet per second (ft/s). 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