Q4/ A sound wave penetrated two layers of the earth's surface and the total time of the wave reflected from the second barrier equals 2 seconds. If you know that the wave's speed in the medium is 200 m/s and in the second medium is 300 m/s, what is the depth of the second medium if the depth of the first is m 100?

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Q4/ A sound wave penetrated two layers of the earth's surface and the total time of the
wave reflected from the second barrier equals 2 seconds. If you know that the wave's speed in the
medium is 200 m/s and in the second medium is 300 m/s, what is the depth of the second medium
if the depth of the first is m 100?
Transcribed Image Text:Q4/ A sound wave penetrated two layers of the earth's surface and the total time of the wave reflected from the second barrier equals 2 seconds. If you know that the wave's speed in the medium is 200 m/s and in the second medium is 300 m/s, what is the depth of the second medium if the depth of the first is m 100?
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