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The sonar unit on a boat is designed to measure the depth of fresh water (p = 1.00 x 103
kg/m³, Bad = 2.20 x 109 Pa). When the boat moves into salt water (p = 1025 kg/m³, Bad = 2.37
x 109 Pa), the sonar unit is no longer calibrated properly. In salt water, the sonar unit
indicates the water depth to be 8.87 m. What is the actual depth (in m) of the water?
Number i
!
Units
m

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