For an arbitrary unit of length, if speed of sound is unity (1 unit...

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For an arbitrary unit of length, if speed of sound is unity (1 unit of length \( \mathrm{s}^{-1} \) ), find the distance of the church from a listener, if the sound of the bell reaches him after an interval of \( 1 / 4 \) minute.
\( \mathrm{P} \)
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