To estimate the distance in kilometers of a flash of lightning, count the number of seconds between seeing the flash and hearing the accompanying thunder, then divide by
A)2.
B)3.
C)4.
D)5.
E)none of the above

Question

Quizplus · Accepted Answer

The sound of thunder travels approximately 340 meters per second, which is roughly equivalent to 1 kilometer every 3 seconds. Therefore, dividing the number of seconds by 3 gives an estimate of the distance in kilometers.

To Estimate the Distance in Kilometers of a Flash of Lightning