Question

A mountaineer shouts her name in the valley. Half a second later she hears the echo. How far away is the rock which is reflecting her voice? (Speed of sound in air= 343 m/s.)​

Answer 1

Because light travels faster than sound

Answer 2

${\huge{\mathfrak{{{\purple{\fbox{\pink{Answer}}}}}}}}$

t = 0.5

S = Distance × time

S = 343 x 0.5

S = 171.5m

= 171.5/2 (distance till it reaches the rock is calculated)

= 85.75m

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⚘Inshaan69⚘