A. 400 ms‾¹
B. 4,000 ms‾¹
C. 8,000 ms‾¹
D. 160,000 ms‾¹
Correct Answer:
Option A – 400 ms‾¹
The velocity of sound in air at 16°C is 340ms‾¹. What will it be when the pressure is doubled and its temperature raised to 127°C?
![A cannon is fired from town X; after how long is the sound heard at a town Y 4.95km away? [velocity of sound in the air = 330 ms−¹1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A cannon is fired from town X; after how long is the sound heard at a town Y 4.95km away? [velocity of sound in the air = 330 ms−¹1]")
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