Question
A boy stands between two vertical wall and fires a rifle. Under what condition will he hear a single echo from both walls? Calculate the distance between the walls if the single echo is heard six seconds later
Answers
when he stands between the walls at a point equidistance from them
when he stands between the walls at a point equidistant from them.
x=vt
330*6=1980
x=vt
330*6=1980
Where you stand at a point equidistant
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