Question

4. How long would it take sound waves traveling through air that is 68°F to

travel 1,372 meters? Use an equation to solve the problem.

Answer 1

2.7 seconds

Explanation:

[] Temp of air: 68°F -> 20°C

[] Velocity of sound in air:

`v=331.3\sqrt{1+(T)/(273.15) }`

`v=331.3\sqrt{1+(68)/(273.15) }`

v ≈ 370.25 m/s

[] Last,

t =
`(d)/(v)`

t =
`(1,372)/(370.25)`

t ≈ 3.7056 ≈ 2.7 seconds

Have a nice day!

I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly. (ノ^∇^)

- Heather