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PhysicsQ&A Library2. In physiotherapy ultrasound with frequency f = 800 kHz and intensity I = 1 W/cm² is used. Find amplitude of tissue molecules vibration under the action of this ultrasound wave. The density of tissue is %3D p = 1050 kg/m³ and speed of ultrasound propagation in the tissue %3D 1500 m/sec.Question

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