A child hears an echo from a cliff in 10 sec after the sound from an animal is produced. Calculate the distance between the cliff and the child (take velocity of sound as 340 m/s)

  • -2
time=10 sec.
v=340m/s.
as,
2d=v*t
d=v*t/2
=340*10/2
=340*5
=1700m
=1.7km
  • 6
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