lmqr39301 lmqr39301
  • 25-04-2024
  • Physics
contestada

A sonic depth gauge is placed 4.3m above the ground. An ultrasound pulse sent downward reflects off snow and reaches the device 0.024seconds after it was emitted. The air temperature is −20∘C.
How far (in m) is the surface of the snow from the device? (Round your answer to at least three significant figures.)

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