A A C D 11. If 5m/s and 10m/s are the velocities of a body having a uniform acceleration in some time interval‚ what will be its average velocity? 12. A train travels from
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Some Causes of Fertility Rates Movements Claire Norville Rocio Gomez Robert L. Brown ABSTRACT Fertility patterns are different between countries and over time. Many different factors can affect the fertility rate. This paper will discuss the different factors that have an effect on the fertility rate. Some are economic while some are social. The economic factors will be based in the theories of Richard Easterlin‚ Diane Macunovich‚ Butz & Ward‚ and John Ermisch. The social factors that
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Lab#: 15 Title: Exercise/pulse rate Aim: To investigate the effect of exercise on the pulse rate Materials/ Apparatus: Stop watch Diagram: Procedure: 1. The three middle fingers were placed just behind the bottom of the wrist as indicated in the diagram in order to see if the pulse could be felt. 2. (a) If the pulse was not felt the three fingers were moved about until it could be felt. (b) Changing the hand also helped to find the pulse. 3. The number of pulsation
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ERYTHROCYTE SEDIMENTATION RATE | -AND ITS VARIATION | | ABSTRACT: The Erythrocyte Sedimentation Rate (ESR)‚ also branded as sedimentation rate or Biernacki Reaction‚ is the rate at which red blood cells sediment in a time of 1 hour. To execute the test‚ anti-coagulated blood is positioned in an erect tube‚ known as a Westergren tube‚ and the rate at which the red blood cells fall is calculated and accounted in millimeters per hour (mm/h)
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Quizz Quizz‚ Chapter 19 1.Calculate the weighted-average cost of capital (WACC) for Federated Junkyards of America‚ using the following information: • Debt: $75‚000‚000 book value outstanding. The debt is trading at 90 percent of par. The yield to maturity is 9 percent. • Equity: 2‚500‚000 shares selling at $42 per share. Assume the expected rate of return on Federated’s stock is 18 percent. • Taxes: Federated’s marginal tax rate is Tc = .35 What are the key assumptions underlying your
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rish IIreland Inflation Rate The inflation rate in Ireland was recorded at 1.20 percent in October of 2012. Inflation Rate in Ireland is reported by the Central Statistics Office Ireland. Historically‚ from 1976 until 2012‚ Ireland I.R averaged 5.3 Percent reaching an all time high of 23.2 Percent in October of 1981 and a record low of -6.6 Percent in October of 2009. In Ireland‚ the inflation rate measures a broad rise or fall in prices that consumers pay for a standard basket of goods. Ireland
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The Rate of a Reaction Chemical Kinetics is the area of Chemistry that is concerned with the speed‚ rate or mechanism at which a chemical reaction occurs. Reaction Rate is the change in the concentration of a reactant or product with time (i.e. M/s). It measures how fast a reactant is consumed and how fast a product is formed. 1.2 WRITING RATE EXPRESSIONS Consider the following hypothetical reaction. A + 2B ( 3C + D Rate = - rate of consumption of A = -[pic]rate of
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1. Introduction: This investigation will show the effect of temperature on the rate of reaction. The Berocca tablet was reacted with hot water (47oC) and then with cold water (20oC). In the hypothesis‚ it was predicted that the temperature will be inverse proportional to the time Berocca tablet reacts with water to produce 50ml of carbon dioxide gas. Through the result table‚ we can see that the hypothesis is supported and it was correct. In the conclusion‚ it was shown that the temperature has the
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Changing the Rate of Reaction PART 1: PARTICLE SIZE Question: How does changing the particle size of marble (CaCO3) affect the rate of reaction when it is added to hydrochloric acid (HCl)? Hypothesis: If I change the particle size of marble to test how to change the rate of a chemical reaction‚ than the chemical reaction with the smallest marble particles will produce CO2 the quickest because the larger the surface area‚ the more place the hydrochloric acid will have to collide with the marble
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The Effect of Exercise on Heart Rate The aim of this investigation is to find out how different types of exercise can affect my heart rate. To measure and record my heart rate‚ I am going to undergo an experimental test. I am going to do 3 different types of exercise: walking‚ light jog and lastly hard running. First‚ I will draw out a table to record my results‚ and then I will measure my resting heart rate for one minute. To make the experiment as accurate as possible‚ I will
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