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A person standing near a hill fires a gun and hears the echo after 1 second. If speed of sound in

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A person standing near a hill fires a gun and hears the echo after 1 second. If speed of sound in air is 340 m/s. Find the distance between the hill and the person.

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Given: 

Time to hear echo = 1 sec 1 

Time taken (t) = 1/2 sec 

Velocity of sound (v) = 340 m/s 

To find: 

Distance (s) = ?

Distance between the person and hill is 170 m.

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