Discover a wealth of knowledge and get your questions answered on IDNLearn.com. Discover prompt and accurate responses from our experts, ensuring you get the information you need quickly.
Answer:
A: For each 1 degree Celsius that temperature decreases, the speed of sound decreases by 0.6 m/s. So sound travels through dry, -20 °C air at a speed of 319 m/s
Explanation: