A girl hears an echo of her own voice from a distant tall building after 2s. What is the distance of the girl from the building?
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A girl hears an echo of her own voice from a distant tall building after 2s. What is the distance of the girl from the building?
A girl hears an echo of her own voice from a distant tall building after 2s. What is the distance of the girl from the building?
t = 2s, ν = 332 m/s, s = ?
Required distance
s = \(\frac{vt}{2}\) = \(\frac{332\times 2}{2}\) = 332m