Find the velocity of a pressure wave propagating in water-filled steel pipe of inside diameter 2cm and wall thickness 1 cm, if the bulk modulus K = 2.1 x 10°Pa, density p = 1000kg/m3 and Young's modulus for steel E - 21 Y 1011 Ra

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Q: B. What is the power radiated from a nude body 1.75m² in the area

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