Solutions (Week-01) Chapter-01 1-12 A plastic tank is filled with water. The weight of the combined system is to be determined. Assumptions The density of water is constant throughout. Properties The density of water is given to be = 1000 kg/m3. Analysis The mass of the water in the tank and the total mass are mw =V =(1000 kg/m3)(0.2 m3) = 200 kg mtotal = mw + mtank = 200 + 3 = 203 kg Thus‚ 1-14 The variation of gravitational acceleration above the sea level is given as
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Introduction Hydrostatic weighing is an indirect measurement used to predict body fat percentage. It is typically the most accurate means of determining body fact percentage‚ and is based on measuring an individual’s body density. Archimedes’ principle explains that the upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid that the body displaces. Due to the fact that body fat is less dense than water‚ it increases one’s buoyancy‚ while the fat-free mass
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volume of voids to the volume of solids • Porosity (n) is the ratio of the volume of voids to the total volume of soil • Degree of saturation(Sr) is the ratio of the volume of water to the volume of voids • Bulk unit weight (γbulk) is the weight density‚ the weight of a soil per unit volume • Saturated unit weight (γsat) is the weight of a saturated soil per unit volume • Dry unit weight (γdry) is the weight of a dry soil per unit volume • Effective unit weight (γ’) is the weight of soil solids in
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The film happens with a great taste of honesty. It teaches lessons you can use in your daily lives. The movie starts with the Gardner couple having problems‚ which is a common scene for people nowadays. The protagonist earns money by selling bone density scanners which he sells to medical institutions‚ which does not sell much. Chris Gardner’s lack of ability to make a living made her wife Linda to leave them. It gives us the picture that people can be full of other’s crap that they will leave you
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Problem What do additives – like citric acid‚ sugar‚ salt‚ baking soda‚ cornstarch‚ and powdered milk – do to the strength ̸̸̸density of gelatin? Hypothesis I hypothesize that the higher the density of the additive is‚ the higher strength/density the gelatin will have. The materials you will need for this experiment are; • 2 packs of unflavoured Knox gelatin (1 box) • A pencil/pen and paper to record data • 3 tablespoons of citric acid • 3 tablespoons of sugar • 3 tablespoons of salt • 3 tablespoons
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The factors that affect buoyancy are … the density of the fluid‚ the volume of the fluid displaced‚ and the local acceleration due to gravity. The buoyant force is not affected by … the mass of the immersed object or the density of the immersed object. Objects immersed in a fluid have an apparent weight that is … reduced by the buoyant force (less than their actual weight) W′ = W − B (W′ < W) directly proportional to the relative density (ρ′ = ρobject − ρfluid) W′ = ρ′gV Research
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graduated cylinder 2.5 cm Height of 50-mL graduated cylinder 9.5 cm Water temperature 22°C Initial volume of water in 50-mL graduated cylinder 10.0 mL Mass of water in the 50-mL graduated cylinder (remember‚ 1 g of water weights 1 mL since its density is 1 g/mL) 10 g Volume of water and aluminum shot in 50-mL graduated cylinder 17.5 mL Mass of aluminum shot (given on outside of packet) 19.92 g B. Follow-Up Questions (Show all calculations) Part I (Each question is worth 10 points.) 1. Convert
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Experiment One: Laboratory Techniques and Measurements Objectives: 1. To apply basic knowledge regarding the measurement of mass‚ length‚ volume‚ temperature‚ and density 2. Learning to identify and use tools provided within the labpaq kit 3. Becoming familiar with common lab tools used in Chemistry Observations: While participating in experiment 1‚ I was able to become familiar with my new lab kit. I observed how to weigh and measure objects as well as record those findings in an organized
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materials. Pria Mae C. Cadiz ABSTRACT The students of Physics 11 Laboratory section B5 of Mapua Institute of Technology had conducted an experiment concerning Archimedes’ Principle to determine the density and specific gravity of solids and liquids applying Archimedes’ Principle. To determine the density of solids (Part A) and the specific gravity of two unknown liquid sample (Part B)‚ they had made use of platform balance to measure the mass of the metal sample tied by a string in air and then submerged
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Lab Report Compound Pendulum in different medium Raoul Corstjens IS10a Introduction An oscillating object is a mass that follows a pattern that causes the mass to return to its initial position after completing one complete oscillation in a constant certain amount of time. This experiment aims to show how the medium that a simple pendulum is traveling though affects the frequency of the pendulum. Research Question How does the medium that a simple pendulum is traveling though affect the frequency
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