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If you hear thunder 5 s after seeing a flash of lightning the distance to the lightning strike is about?
Roughly 1 mile away. Sound travels at about 1 mile every 5 seconds, so the time difference between seeing the lightning and hearing the thunder can give you an estimate of the distance to the lightning strike.
There is a delay of 5 seconds between the time you see a flash of lightning and hear the thunder?
This delay of 5 seconds corresponds to approximately 1 mile (1.6 kilometers) of distance from the lightning. Thunder travels about 1 mile in 5 seconds through air.
How many seconds do you need to find the miles to the lightning?
To find the miles to the lightning, you can count the number of seconds between seeing the flash and hearing the thunder (time interval). Divide this number by 5 to get the distance in miles, as sound travels at about 1 mile every 5 seconds.
How can you determine how far lightning is away from sound?
You can determine how far away lightning is by counting the seconds between seeing the lightning and hearing the thunder, and then dividing by 5 to get the distance in miles or by 3 to get the distance in kilometers. Sound travels at a speed of about 1 kilometer per 3 seconds or 1 mile per 5 seconds.
How often does lightning occur?
On average, there are about 8 million lightning strikes per day worldwide. This equates to around 100 flashes per second. Lightning is most common in regions with warm, moist air and frequent thunderstorms.
