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Example 12.2 A person clapped his handsnear a cliff and heard the echo after5 s. What is the distance of the linefrom the person if the speed of thesound, v is taken as 346 m si?

Answer»

Hi jogendra , aapke question ka answer yaha hai........

The sound traveled from the place the person stood, to the cliff and then rebounded back to the person , so the person heard the resound/echo.

So the sound traveled twice the distance between him/her and the cliff.

Distance between cliff and person = 346 m/sec * 5 seconds / 2 = 865 meters



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