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A person standing between two parallel hills fires a gun. He hears the first echo after 3/2 sec, and a second echo after 5/2 sec. If speed of sound is 332 m/s, calculate the distance between the hills. When will he hear the third, fourth, fifth and sixth echo? |
| Answer» SOLUTION :10.664m,4s, 5.5s, 6.5s, 8 s | |