Physics
Physics, 07.04.2021 08:00, kia9174

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 emits...

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