13_InstSolManual_PDF_Part2

13_InstSolManual_PDF_Part2 - w 5 300 g 1.00 g / cm 3 5 300...

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(b) The platinum nugget would have mass and would be worth 2.29 million dollars. Reflect: The platinum nugget is worth more because a nugget of the same size has more mass, since platinum’s den- sity is greater, and because it is worth more per ounce. The value if platinum is larger than the value if gold by 13.6. Set Up: The volume of a cube with side length L is The volume of a cylinder of radius r and length L is Solve: (a) The volume of the metal left after the hole is drilled is the volume of the solid cube minus the volume of the cylindrical hole: The cube with the hole has mass and density (b) The solid cube has volume and mass The original weight of the cube was 13.7. Set Up: Solve: (a) so and (b) Reflect: If the volume is decreased while the mass is kept the same, then the density increases. 13.8. Set Up: where and are the masses of the two volumes of liquid before they are mixed. where and are the volumes of the two liquids before they are mixed. From Table 13.1, glycerin has density and water has density Solve: (a) and and so (b) and so r mix 5 m mix V mix 5 1.09 g / cm 3 V mix 5 459 cm 3 m mix 5 500 g, V w 5 m w r
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Unformatted text preview: w 5 300 g 1.00 g / cm 3 5 300 cm 3 V g 5 m g r g 5 200 g 1.26 g / cm 3 5 159 cm 3 r mix 5 m mix V mix 5 552 g 500 cm 3 5 1.10 g / cm 3 V mix 5 500 cm 3 m tot 5 552 g m w 5 r w V w 5 1 1.00 g / cm 3 21 300 cm 3 2 5 300 g. m g 5 r g V g 5 1 1.26 g / cm 3 21 200 cm 3 2 5 252 g r w 5 1.00 g / cm 3 . r g 5 1.26 g / cm 3 V w V g V mix 5 V g 1 V w , m w m g m mix 5 m g 1 m w , r 5 m / V . L 2 5 L 1 1 r 1 r 2 2 1 / 3 5 L 1 r 1 3 r 1 2 1 / 3 5 L / 3 1 / 3 r 2 5 r 1 1 L 1 L 2 2 3 5 r 1 L 1 L 1 / 2 2 3 5 8 r r 1 L 1 3 5 r 2 L 2 3 m 5 r L 3 r 5 m / V 5 m / L 3 w 5 mg 5 8.60 N. m 5 r V 5 1 7.02 3 10 3 kg / m 3 21 1.25 3 10 2 4 m 3 2 5 0.878 kg. V 5 L 3 5 125 cm 3 5 1.25 3 10 2 4 m 3 r 5 m V 5 0.765 kg 1.09 3 10 2 4 m 3 5 7.02 3 10 3 kg / m 3 m 5 w g 5 7.50 N 9.80 m / s 2 5 0.765 kg V 5 L 3 2 p r 2 L 5 1 5.0 cm 2 3 2 p 1 1.0 cm 2 2 1 5.0 cm 2 5 109 cm 3 5 1.09 3 10 2 4 m 3 p r 2 L . L 3 . 1 21.4 / 19.3 21 879.00 / 426.60 2 . m 5 r V 5 1 21.4 g / cm 3 21 3.78 3 10 3 cm 3 2 5 8.09 3 10 4 g 5 2.60 3 10 3 troy ounces 13-2 Chapter 13...
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