if we take the speed of sound to be 347 m/sec, we can determine how far away a lightning strike is by listening to the thunder, or so it is said.

if we take the speed of sound to be 347 m/sec, we can determine how far away a lightning strike is by listening to the thunder, or so it is said. if it takes 5 seconds for the thunder to reach us after the lightning strikes, how far away is the lightning