Question

ii.
A student stands in such a manner that his distance from the building A is 33m. He
claps his hands once and hears several echoes. The speed of sound is 330 ms -1
.Calculate the time gap between the clapping of hands and hearing the (a )first echo
(b) third echo. [3]​

Answer 1

Answer:

B the third echo

Explanation:

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Answer 2

Answer:

Answer is

B third echo

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