A. 790ms¯¹
B. 602ms¯¹
C. 358ms¯¹
D. 322ms¯¹
Correct Answer:
Option C = 358ms¯¹
The velocity of sound in air at 15°C is 35400ms¯¹. Calculate the velocity at 47°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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