CHAPTER 1 1. List the seven SI base quantities‚ units‚ and symbols. TIME Second (s) 2. Give the correct SI derived units of the following quantities. Density Speed Acceleration Force Pressure kg/m3 Energy 3. Convert the following: μm (Ans. 1.22) a. 1.22 x 10-9 km = b. 6.523 x 10-4 nm = c. 2.5x 10-9 nm3 = d. 30.5 cm/s = e. 9.6 ng/mm2 = 4. Mm (Ans. 6.523 x 10-19) mm3 (Ans. 2.5 x 10-27) km/h (Ans. 1.09 x 106) kg/m2 (Ans. 9.6 x 10-6) Perform the following calculations and
Premium Kilogram Gold Mass
Population Density Debra Smith OMM 612 Managing Social Change Prof. Martin Cain September 24‚ 2012 Population Density According to Social Indicators Research (2002) population density is “the number of people living per square kilometer in the district of the city where the respondent lived” (Social Indicators‚ proquest database). The American population is very dense. According the United States Census Bureau the current United States population is 314‚440‚872 people. In some areas of
Premium Laundry Population density Population
The Effects of Population Density and Noise Paper Gregory Mills PSY/460 March‚ 9 2011 Professor Darnell Anderson The Effects of Population Density and Noise Paper The population of the World is increasing rapidly‚ with teenagers having children before their adults and the probability of twins and triplets have increased. Cities are becoming overcrowded and the average household is increasing every year. As cities become crowded‚ the only thing that could help is to create
Premium Population density Pollution Population ecology
The Claw of Archimedes is a weapon that he is said to have designed in order to defend the city of Syracuse in a siege. The claw consisted of a crane-like arm from which a large metal grappling hook was suspended. When the claw was dropped onto an attacking ship the arm would swing upwards‚ lifting the ship out of the water and possibly sinking it. Archimedes may have had it inspired by his law of the lever: How did it work exactly? After using heavy stones to drive back the Romans from the bows
Premium Archimedes
Archimedes is regarded as one of greatest mathematicians and inventors of his time. He was born in Syracuse‚ Sicily around the year 287BC. Archimedes acquired his education in Alexandria‚ Egypt‚ but spent most of his life in Sicily. When in Sicily‚ he stayed in or near Syracuse and did nothing but experiment and research. Archimedes made many contributions to mathematics. One of the more important discoveries Archimedes made was he found a way to measure the areas and volumes of objects that are
Premium Mathematics Archimedes Sicily
LEDC’s‚ by looking at the crude birth rate and crude death rate we are able to see how the population grows in certain countries. Looking at how high the rates are in a LEDC country and a MEDC country‚ you are able to conclude that you can relate specific factors to different areas of the world. When looking at the population growth of a LEDC there are common factors that appear when looking at the death and birth rates. For example when looking at the country Tanzania in Africa‚ you can see that
Free Population Demography Population ecology
3.4.1 Study: Buoyant Force and Archimedes’ Principle Physical Science (S2541215) Study SheetStudy Sheet Claire Hasenoehrl Date: ____________ Use the spaces below to take notes on the key concepts presented in this study. Main idea: Buoyancy of an object is determined by properties of the object as well as properties of the fluid surrounding it. density=mass/volume More dense at bottom The result of pressure exerted equally in all horizontal directions by water. Pressure at bottom greater than
Premium Density Archimedes Force
the sides of right triangles. Secondly‚ Archimedes contributed a ton to both fields. One of the most famous things that Archimedes did was find out if a crown that the king had ordered was made of solid gold. What Archimedes did first compare the weights of gold and silver when immersed in water(he compared it with silver because that was what the crown was suspected to be partly made of). The next thing he did with the crown was immerse it in the
Premium Ancient Rome Greece Ancient Greece
Specific gravity What is specific gravity? Archimedes discovered that the weight of body in air minus its weight in water is equivalent to the weight of the water displaced by the body. Specific gravity is defined as "The weight of a body compared with the weight of an equal amount of pure water at 4°C (4°C is the temperature at which water is densest). When a body is placed in water‚ the volume of water displaced is equal to the volume of the body. When the body is placed in water that it
Premium Water Mass
INTRODUCTION 1.1 Background of the Experiment Mass density describes how heavy an object is. Defined by the Greek letter ρ‚ read as rho‚ density is a basic yet important physical property of matter. For a bulk body without accounting its existing pores and voids‚ density is represented by the ratio of its mass and volume. It is given by the equation ρ= massvolume 1. The SI unit of density is kg/m3. However‚ its CGS units‚ g/cm3 or g/ mL‚ are the most commonly used ones in the laboratory. The
Premium Density Water Volume