was first recorded by Archimedes and goes something like this: An object in a fluid experiences an upward force equal to the weight of the fluid displaced by the object. So if a boat weighs 1‚000 pounds (or kilograms)‚ it will sink into the water until it has displaced 1‚000 pounds (or kilograms) of water. Provided that the boat displaces 1‚000 pounds of water before the whole thing is submerged‚ the boat floats. It is not very hard to shape a boat in such a way that the weight of the boat has been
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Engineering Mechanics - Statics Chapter 1 Problem 1-1 Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) m/ms (b) μkm (c) ks/mg (d) km⋅ μN Units Used: μN = 10 −6 N km μkm = 10 9 −6 Gs = 10 s ks = 10 s mN = 10 ms = 10 Solution: ( a) m 3m = 1 × 10 ms s m km =1 ms s ( b) μkm = 1 × 10 μkm = 1 mm ( c) ks 9 s = 1 × 10 mg kg ks Gs =1 mg kg ( d) km⋅ μN = 1 × 10 −3 −3 −3 3 N s −3 m mN km⋅ μN = 1 mm⋅ N 1 ©
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Chapter 2 Review problems 1. Calculate the density of a piece of wood with a mass of 8.3 g and a volume of 5 cm3. 1.7 g/cm3 2. A spoonful of sugar with a mass of 8.8 grams is poured into a 10 mL graduated cylinder. The volume reading is 5.5 mL. What is the density of the sugar? 1.6 g/mL 3. A 10.0 gram pat of butter has a density of 0.862 g/mL. What is the volume of the butter? 11.6 mL 4. A sample of metal has a mass of 34.65 g. When placed in a
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Laboratory Techniques and Measurements (adapted from Labpaq Version 09.1.06 by Peter Jeschofnig‚ Ph.D.) Experiment Summary You will have the opportunity to learn how to conduct measurements in mass‚ volume‚ and density using scales and common laboratory equipment. Review the safety materials and wear goggles when working with chemicals. Read the entire exercise before you begin. Take time to organize the materials you will need and set aside a safe workspace in which to complete the exercise
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BioLab3 Lab Report 1 Measurement Student Name: I. Length Measurement EXERCISE 1 – Measuring length using the meter A dime and a meter stick have been used to determine the following: How thick is one dime? 1 mm How thick would a stack of ten dimes be? 10 mm How thick would a stack of one hundred dimes be? 100 mm How thick would a stack of one thousand dimes be? 1‚000 mm Determine the height of each of the following stacks of dimes in metric units. 10
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Introduction The economic benefits of using untreated and treated crop residues as feed for ruminants mainly depends on the source and cost of crop residues‚ cost of treatment‚ cost of urea or other ammonia source‚ on the price of protein supplements‚ as well as on agricultural production and technical levels and other factors. In relation to the potential of crop residue use‚ countries can be divided into four types: Type 1 are developing countries and regions with a high population density
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Lab 2: The Metric System and Microscope Name _________________________ Date __________________________ Section 1: The Metric System The Metric System is known as the International System of Measurement. The Metric System is based on Standard-prefixes that correspond to ‘multiples of 10’. The measurements of volume (the liter)‚ mass (the gram)‚ and length (the meter) are the baseline for all metric unit conversion factors. In the United States‚ the English System is more commonly used;
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of hot tap water and boiling water as well as cold tap water and ice water in Celsius and converted them to Fahrenheit and Kelvin. I then gathered a few other objects and placed them on the scale measuring for mass in grams and converted them to kilograms. Part 2: I used a graduated cylinder on the tarred scale empty and then with both water and isopropyl alcohol to determine the mass of both and calculated their densities. Next‚ I measured the length‚ width‚ and height of a magnet to determine
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Title: Observations of Chemical Changes Purpose: To learn about the international system of units (SI)‚ to become familiar with common lab equipment and techniques‚ to gain proficiency in determining volume‚ mass‚ length‚ and temperature of a variety of items using common laboratory measurement devices‚ to learn to combine units to determine density and concentration‚ and to use laboratory equipment to create serial dilutions and determine the density and concentration of each dilution. Procedure:
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+ b)h b Volume of prism = (area of cross-section) × length crosssection h lengt PLEASE DO NOT WRITE ON THIS PAGE © OCR 2014 3 Answer all the questions. 1 Choose from these metric units to complete the sentences below. metres millilitres kilograms grams litres kilometres centimetres A tennis ball weighs 57 .................................................... . The distance from London to Birmingham is 163 .................................................... . The petrol tank of a car holds
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