In Fig. 23.1, if the echo arrives with a delay of 43 ìs, what is the thickness, l₁, of a layer of fat under the skin? The speed of sound in fat is 1450 m/s.

Name: In Fig. 23.1, if the echo arrives with a delay of 43 ìs, what is the thickness, l 1 , of a layer of fat under the skin? The speed of sound in fat is 1450 m/s.
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The Answer of In Fig. 23.1, if the echo arrives with a delay of 43 ìs, what is the thickness, l₁, of a layer of fat under the skin? The speed of sound in fat is 1450 m/s.

In Fig 231, If the Echo Arrives with a Delay of 43