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Apparent Frequency

An explosion ...

Question

An explosion happened 1.75 km away from a point A and the sound from the explosion took 5 seconds to reach the point A. Calculate the speed of sound.

A

100 m/s

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B

175 m/s

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C

350 m/s

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D

700 m/s

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Solution

The correct option is C 350 m/s
Speed of sound = Distance /Time
$= \frac{1750 m}{5 s} = 350 m / s$

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