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Physics, 29.03.2021 23:40 s131845

A motion sensor emits sound, and detects an echo 0.0115 s after. A
short time later, it again emits a
sound, and hears an echo after
0.0183 s. How far has the
reflecting object moved?
(Speed of sound = 343 m/s)
(Unit = m)

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A motion sensor emits sound, and detects an echo 0.0115 s after. A
short time later, it again...
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