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A man stands in between two parallel cliffs and explodes a cracker. He hears the first echo after 0.6s and second echo after 2.4s.

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A man stands in between two parallel cliffs and explodes a cracker. He hears the first echo after 0.6s and second echo after 2.4s. Calculate the distance between the cliffs. [Speed of sound is 336 ms-1 ]

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Let A and B be two cliffs at distance d1 and d2 metre from a man.

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