and energy conservation to determine the speed of the ball plus pendulum as it first begins to swing away from the vertical position after the “collision.” (3) To explore the relationships between the momentum and kinetic energy of the ball as launched and the momentum and kinetic energy of the ball plus pendulum immediately after the ball is caught by the pendulum apparatus. INTRODUCTION The “ballistic pendulum” carries this name because it provides a simple method of determining the speed
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bingo! Our machine had multiple transfers of energy which consisted of both kinetic and potential energy. Overall‚ our machine displays eight simple machines that all consist of transfers of energy in the process. To begin‚ our contraception begins by placing a ball into a bingo spinner. Before the ball is placed into the spinner the ball has potential energy‚ but as soon as it is dropped the potential energy transfers to kinetic energy due to the ball spinning in the wheel. Next‚ the ball rolls
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BL 1300 February 2013 Aquatic Ecosystem Function An ecosystem can be defined as “all the organisms in a given area as well as the abiotic factors with which they interact” (Reece et al. 2010). Common aquatic ecosystems range from the largest oceans to the smallest creeks‚ but each aquatic ecosystem plays a pivotal role in global ecology. Each ecosystem consists of important aspects including nutrients cycling‚ biodiversity‚ and energy flow that contribute to the overall state of the ecosystem
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Laboratory Experiment pubs.acs.org/jchemeduc NMR Kinetics of the SN2 Reaction between BuBr and I−: An Introductory Organic Chemistry Laboratory Exercise T. Andrew Mobley* Department of Chemistry‚ Grinnell College‚ Grinnell‚ Iowa 50112‚ United States S Supporting Information * ABSTRACT: A simple organic chemistry experiment is described that investigates the kinetics of the reaction between 1-bromobutane (BuBr) and iodide (I−) as followed by observing the disappearance of BuBr and the appearance
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1. Hydrogen Name: Hydrogen Atomic number: 1 Atomic Weight: 1.00794 grams/mole Standard state: gas at 198 K Hydrogen is the lightest Hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up above 90% of Universe by weight. Hydrogen as water (H2O) is absolutely essential to life and it is present in all organic compounds. Hydrogen is lightest gas. Hydrogen gas was used in lighter-than-air balloons for transport but is far too dangerous because
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energy changes from thermal energy to elastic and kinetic energy as it slingshots the knife. Which is shown by the stretching of the elastic on the slingshot and the movement as it throws the knife. The elastic from the slingshot is held being stretched by the string before it is set on fire.
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P6- Describe different types of energy transfer For us to do work‚ we need energy. Energy is measured in joules‚ (J) or kilojoules (kJ) Energy exists in many different forums such as Kinetic and potential energy – Kinetic energy is the movement of energy and potential is stored energy‚ energy ready to go. A lawn mower filled with gasoline‚ a car on top of a hill‚ and students waiting to go home from school are all examples of potential energy. Gravitational potential energy is the energy crazed
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Lab 106 Static and Kinetic Frictions Objectives: Our objectives are to measure the static and kinetic frictional forces using force sensors. Also‚ to determine the coefficient of static and kinetic frictional forces‚ amd the relationship between the frictional forces. Background/Sketch: **attached** Data Analysis: Cart= 82.45g Normal (N) Static (N) Kinetic(N) 100g 1.78 0.63 0.477 200g 2.76 0.83 0.716 300g 3.74 1.19 1.163 400g 4.72 1.67 1.520 500g 5.71 1.79 1.699 600g 6.69 1.88 1.670 1.00kg
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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) If you push for an hour against a stationary wall‚ you do no work A) on the wall. B) at all. C) both of these D) none of these 2) If you push an object twice as far while applying the same force you do A) twice as much work. B) four times as much work. C) the same amount of work. 3) If you push an object just as far while applying twice the force you do A) twice as much
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For the nitrogen samples the concentrations for nitrogen to phosphorous used were 0 (control)‚ 2:1‚ 16:1‚ and 64:1. For the phosphorus samples the concentrations for nitrogen to phosphorous used were 0 (control)‚ 32:1‚ 16:1‚ and 8:1. The liquids were measured out using micropipettes so that 4 mL total made up a sample. The tubes were labeled at the top end and capped tightly. The
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