Question

A child hears an echo from a cliff 4 seconds after the sound from a powerful
cracher is produced, How far away is the cliff from the child? Given that the speed
of sound is 340
m/s.​

Answer 1

Time Taken by sound to travel from cliff to child :-

t = 4/2 = 2s

speed of sound in air v = 340 m/s

Distance of cliff from child = v*t

= 340*2

= 680 m

Answer 2

Answer:

Answer ⤵️

Time taken by sound to travel from cliff to child

t = 4/2 =2s.

speed of sound in air v = 340m/s

Distance of chiff from child = v t

= 340'

= 680 m

Step-by-step explanation:

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