SOLUTION: The distance you are from a lightning strike (d) and the amount of time it takes to hear thunder (t) are directly related. Let's say you are 4 miles away from lighting and it takes

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: The distance you are from a lightning strike (d) and the amount of time it takes to hear thunder (t) are directly related. Let's say you are 4 miles away from lighting and it takes      Log On


   

Question 1170949: The distance you are from a lightning strike (d) and the amount of time it takes to hear thunder (t) are directly related. Let's say you are 4 miles away from lighting and it takes you 20 seconds to hear thunder. What is the value of k?
Found 3 solutions by MathLover1, ikleyn, MathTherapy:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

d=k%2At
The ratio of the time it takes to distance you are from lighting is +k=20%2F4+=5
so, k=5

Answer by ikleyn(52852) About Me  (Show Source):
You can put this solution on YOUR website!
.

            It is strange to me to see this gross mistake in the post of the other tutor.

            So, I came to bring the correct solution/answer. 


d = k*t


k = d%2Ft = 4%2F20 = 1%2F5 = 0.2.


In this problem, k is the speed of sound in the air, equal to 0.2 miles per second (approximately).



Answer by MathTherapy(10555) About Me  (Show Source):
You can put this solution on YOUR website!

The distance you are from a lightning strike (d) and the amount of time it takes to hear thunder (t) are directly related. Let's say you are 4 miles away from lighting and it takes you 20 seconds to hear thunder. What is the value of k?
IKLEYN, I wonder why you're surprised. You must know by now that this woman is famous for posting MANY, MANY wrong answers. Plus, some of her solutions 

are extremely complex, time-consuming, and very confusing! I'm NOT surprised that she'd get a SIMPLE problem like this WRONG, and neither should you!