Number 24 Small cylinder10.0 cmHydraulicfluid-2.0 cmFIGURE 10-51 Problem 21.22. (II) An open-tube mercury manometer is used to measurethe pressure in an oxygen tank. When the atmosphericpressure is 1040 mbar, what is the absolute pressure (in Pa)in the tank if the height of the mercury in the open tube is(a) 18.5 cm higher, (b) 5.6 cm lower, than the mercury inthe tube connected to the tank? See Fig. 10–7a.10-7 Buoyancy and Archimedes' Principle23. (II) What fraction of a piece of iron will be submerged whenit floats in mercury?24. (II) A geologist finds that a Moon rock whose mass is 9.28 kghas an apparent mass of 6.18 kg when submerged in water.What is the density of the rock?25. (II) A crane lifts the 18,000-kg steel hull of a sunken shipout of the water. Determine (a) the tension in the crane'scable when the hull is fully submerged in the water, and(b) the tension when the hull is completely out of the water.26. (II) A spherical balloon has a radius of 7.15 m and is filledwith helium. How large a cargo can it lift, assuming that theskin and structure of the balloon have a mass of 930 kg?Neglect the buoyant force on the cargo volume itself.27. (II) What is the likely identiif a sample has a mass ofan apparent mass of 5a metal (see Table 10-1)in air anden mter?

Name: Number 24 Small cylinder10.0 cmHydraulicfluid-2.0 cmFIGURE 10-51 Probl
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Description: Number 24 Small cylinder10.0 cmHydraulicfluid-2.0 cmFIGURE 10-51 Problem 21.22. (II) An open-tube mercury manometer is used to measurethe pressure in an oxygen tank. When the atmosphericpressure is 1040 mbar, what is the absolute pressure (in Pa)in t