The siren from a small town fire station is heard at a location 3 kilometers away. If the air temperature is 20°C, at what velocity did the sound travel? 319 m/s 331 m/s 343 m/s 387 m/s

Question

Gianna Golden

Physics

30 August, 20:19

The siren from a small town fire station is heard at a location 3 kilometers away. If the air temperature is 20°C, at what velocity did the sound travel? 319 m/s 331 m/s 343 m/s 387 m/s

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Answers (2)

Know the Answer?

Isabell Valentine · Answer 1

Isabell Valentine 30 August, 20:29

0

I believe the answer is 343

Eden Key · Answer 2

The answer is 343 m/s.

Sound is a longitudinal wave. The sound of speed is the distance it travels in a given amount of time. Its speed may vary in different air temperatures. But in 20°C, which is considered dry air, it is known that the speed of sound is 343 m/s.