Nita heard the sound of lightning
after 4 seconds of seeing it. What
was the distance of the lightning
from her?
(The velocity of sound in air is 340
m/s?)
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Answer:
If you count the number of seconds between the flash of lightning and the sound of thunder, and then divide by 5, you'll get the distance in miles to the lightning: 5 seconds = 1 mile, 15 seconds = 3 miles, 0 seconds = very close. Keep in mind that you should be in a safe place while counting.
Explanation:
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