Homework Help: MATH

Posted by MELISSA on Thursday, August 21, 2008 at 7:19pm.

DURING A THUNDER STORM AND LIGHTNING STORM, TO ESTIMATE HOW FAR AWAY THE STORM IS, COUNT THE NUMBER OS SECONDS BETWEEN THE TIME YOU SEELIGHTINING AND HEAR THUNDER. DIVIDE THAT NUMBER BY 5 TO FIND THE DISTANCE IN MILES TO THE STORM. WRITE A SENTENCE TO DESCRIBE THE PATTERN THAT THE FORMULA IS BASED ON. SET UP A TABLE TO SHOW THE TIME BETWEEN A LIGHTINGFLASH AND A THUNDERCLAP IF THE STORM IS 10,20,30,AND 40 MILES AWAY.

MATH - Damon, Thursday, August 21, 2008 at 7:39pm
t = number of seconds
d = distance
then
d = t/5

sound travels about (1/5) mile per second
and
distance = speed * time

so the distance (d) is speed of sound (1/5) times the time (t) for sound to travel from lightning bolt to you.
- MATH - Emily, Wednesday, September 3, 2008 at 8:53pm
  If sound travels 1129 feet per second through the air, then what would an equation be that represents how many feet sound can travel in 2 seconds?

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