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- You have been given a small rock sample to identify based on its density. Suppose that you use the displacement method to determine the volume of the rock sample to be 95 cm³ . The mass of the sample is 285 g. Which of the following is the most likely composition of this sample? Granite: density = 2650 kg/m³ O Limestone: density = 1978 kg/m³ Iron-Nickel Alloy: density = 9900 kg/m³ Basalt: density = 3000 kg/m³ Granite: density = 2150 kg/m³ Peridotite: density = 3300 kg/m3mass (g) diameter (cm) height (cm) volume (cm^3) 16.20 1.21 5.30 ? 43.98 1.80 6.41 ? 79.49 2.11 8.49 ? 139.1 2.59 9.69 ? 1. The slope of your line is the density of the material of which your cylinders are made. What is this value, including units? 2. Table 2 contains a list of materials, along with their densities/ Based on your value in Question 1, what is your cylinder material? Material Density (g/cm^3) maple 0.77 polypropylene 0.90 polystyrene 1.03 polyamide 1.15 acrylic 1.17 polyurethane 1.23 phenolic 1.32 polyvinylchloride 1.37 poly tetrafluoroethylene (teflon) 2.20 aluminum 2.71The surface of a lake has an area of 15.5 km². What is the area of the lake in m²? 1.55 × 108 m² 1.55 x 106m² 1.55 × 105 m² 1.55 × 104 m² 1.55 × 107 m²
- The density of aluminum is 2.7 g/cm^3. How much mass is contained in a chunk of aluminum with a volume of 379mL?the average density of an atom is approximately 103 kg/m3. The nucleus of an atom has a radius about 10-5 times that of the entire atom, and contains nearly all the mass of the atom. What is the approximate density, in kilograms per cubic meter, of a nucleus?The shell is thin, but has a definite thickness. Calculate the (volume) density of the shell, in g/cm3. Here are the numbers: R = 13 cm M = 800 grams thickness = 0.3 mm
- The density of pure solid copper is 8.93 grams per milliliter. What volume does 7 kilograms of copper occupy? Express the Volume in cm3 and in m3.An object weighing 8 lbs hangs on the end of a spring, stretching the spring 3 inches. The object is in a medium that exerts a viscous resistance of 27 lbs when the object has a velocity of 6 ft/sec. Suppose the object is lifted an additional 8 inches and released. Find an equation for the object's displacement, u(t), in feet after t seconds. u(t) = Remember that, in imperial units, acceleration due to gravity is 32 ft/s? and that lbs are a measurement of force. Be sure to convert any measurements necessary so that the units match. Question Help: D Video D Post to forum - Submit QuestionWhat was the error in the following measurements? Mass (kg) Volume(m^3) Density (kg/m^3) 1.16 0.001 1160 2.46 0.0023 1069.565217 5.16 0.005 1032 10.16 0.01 1016 13.66 0.0135 1011.851852 There was no error in measurement There was a random error in the measurement of volume. The mass was measured with a systematic error Human error