5- The wave velocity of ultrasound in soft tissues is 1540m/s and the impedance offered by it is 1.63 X 106 kg/m2 s. What is the density of the soft tissue? a) 0.1058441 kg/m 3 b) 10.58441 kg/m 3 c) 1058.441kg/m 3 d) 105844.1 kg/m 3
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