Problem 3
Figure 9-36 shows a slab with dimensions d1 ! 11.0 cm, d2 ! 2.80 cm, and d3 ! 13.0 cm. Half the slab consists of aluminum (density ! 2.70 g/cm3) and half consists of iron (density ! 7.85 g/cm3).What are (a) the x coordinate, (b) the y coordinate, and (c) the z coordinateof the slabs center of mass?
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Density and Pressure Fluids Liquids incompressible Gases compressible Particle Density: Pparticle/V Density: p= M/V Pressure: P= F/A Hydrostatic (liquid at rest) (no order kinetic energy) Pbottom Ptop= pgΔh Pbottom P top+ pg(h toph bottom F – F = mg top bottom Units: 1 atm= 101 kPa= 14.7 pounds per square inch M= pv M=pAh Pascal’s...
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