Para calcular la altura de un puente sobre el agua de un río, dejamos caer una piedra. Si tarda en llegar al agua tres segundos, ¿cual será la altura?

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Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.