Question

If a storm is 7.5 kilometers away how much time is expected between observation of lightning and thurder?

Answer 1

21.9 seconds

Step-by-step explanation:

lets say the speed of sound at room temp 343m/s and one kilometer is 1000 meters. so 7.5 kilometers is equal to 7500 meters and we divide this number by 343 and we get 21.8 seconds