Physics · Oct / Nov 2016 · Paper 12 · Question 30
5054Sound
A man stands between two tall buildings, P and Q. The diagram is not drawn to scale. He is 50 m from P and 200 m from Q. He fires a gun and the first two echoes he hears are 1.0 second apart. What is the speed of sound calculated from this observation?
- A250 m / s
- B300 m / s
- C330 m / s
- D500 m / s
As printed in the paper
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Correct answer: B. 300 m / s
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