Question
how many seconds will elapse between seeing lightning and hearing the thunder if the lightning strikes miles away and the temperature is 100.0 degrees F?
Answers
Elena
The sound velocity depends on temperature as
v (meters per second)=20.046•sqroot(T)
where T is absolute temperature (in Kelvins),
or
v(meters per second) = 331.4+0.6•t,
where t is the temperature in degrees centigrade
100F = 37.78 degrC
v = 331.4+0.6 •37.78=354.06 m/s.
1 mile =1 609 m.
t = s/v = 1 609/354.06 =4.54 s
v (meters per second)=20.046•sqroot(T)
where T is absolute temperature (in Kelvins),
or
v(meters per second) = 331.4+0.6•t,
where t is the temperature in degrees centigrade
100F = 37.78 degrC
v = 331.4+0.6 •37.78=354.06 m/s.
1 mile =1 609 m.
t = s/v = 1 609/354.06 =4.54 s
Hannah
What is the actual formula you are using? I cannot tell what you mean when you say "v=331.4 +0.6t". I want to actually learn how to do it.
bobpursley
That is the actual formula, worth memorizing. Vsound= 331.4+.6T, T in Celcius.