Physics, asked by itzShikhar1, 10 months ago

A child hears 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? Velocity of sound in air at 20°C is 344 m/s.

Answers

Answered by rajiv9597

2

Answer:

The child is 688 metres away from the cliff.

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