Seven seconds after a brilliant flash of lightning,thunder shakes the house.Approximately how far was the lightning strike from the house?
A)much closer than one kilometer
B)about one kilometer away
C)about two kilometers away
D)much farther away than two kilometers
E)It is impossible to say.

Question

Quizplus · Accepted Answer

Sound travels approximately 343 meters per second in air. In seven seconds, sound would travel about 2401 meters, which is roughly 2 kilometers.

Seven Seconds After a Brilliant Flash of Lightning,thunder Shakes the House.Approximately