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Abhishek Jhunjhunwala

Class 9th
Science
2 years ago

A child hers an echo from a cliff 4 seconds after the sound from a powerful cracker is produced. How far away is the cliff from the child. Speed of sound = (340 m/s).

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Muskan Anand

2 years ago

Solution : Here, `t = 4 s, v = 340 m//s, d = (vt)/(2) = (340 xx 4)/(2) = 680 m`.

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