moazaig moazaig
  • 29-05-2024
  • Physics
Answered

A student stands 75 m from a wall and makes a short, loud sound by tapping two pieces of wood
together.
What is the approximate time between making the sound and the student hearing the echo produced?


A 0.2s
B 0.5s
C 2s
D 5s

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Answer :

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