A gun is sounded and an echo received from a wall 6 seconds later. If the speed of sound is 330m/s, how far away is the wall?

Question

A gun is sounded and an echo received from a wall 6 seconds later. If the speed of sound is 330m/s, how far away is
the wall?

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Hồng Cúc 5 years 2021-08-29T02:58:17+00:00 1 Answers 17 views 0

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  1. Calantha
    0
    2021-08-29T03:00:13+00:00
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    Answer:

    Neither the source or wall is moving so the sound takes 3 sec to get to the wall and 3 sec to return

    D = 3 * v = 330 m/s * 3 sec = 990 m

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