A cannon is fired from town X,after how long is the sound heard at a...
PHYSICS
JAMB 2011
A cannon is fired from town X,after how long is the sound heard at a town Y 4.95 km away?
[velocity of sound in the air = 330 m/s]
- A) 30 s
- B) 10 s
- C) 10 s
- D) 15 s
Correct Answer: A) 30 s
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