Madeline Totten Dr. Su Phy 110 Lab 18 September 2013 Lab 2: Introduction to DataStudio Purpose: The purpose of this lab is to practice designing an experiment by choosing the variables‚ using DataStudio to collect the data from the experiment‚ and then taking our data and presenting it and our results in a report. Method: For this experiment‚ the goal was to use a simple pendulum (shown to the left) to measure the period of the motion. For task 1‚ we just became familiar with DataStudio
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An inclined plane is a flat supporting surface tilted at an angle‚ with one end higher than the other‚ used as an aid for raising or lowering a load. Inclined planes are widely used to move heavy loads over vertical obstacles; examples vary from a ramp used to load goods into a truck‚ to a person walking up a pedestrian ramp‚ to an automobile or railroad train climbing a grade. Inclined planes are widely used in the form of loading ramps to load and unload goods on trucks‚ ships‚ and planes. Wheelchair
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Sam Preusser Mr. Staude U.S. History 25 April 2013 Truman Doctrine VS. Marshall Plan The years after the war brought times of disagreement and argument. The United States worked at this time to contain and control the spread of communism. During the years of WWII and the Cold War this idea was prominent and an issue America thought must be solved. Their were two strong attempts to fight communism. These attempts were the Truman Doctrine and the Marshall Plan. These ideas go hand in hand making
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Determining a Person’s Power through height/work Power is denoted by the formula‚ P = mgh/t. In lifting a bag‚ work is done. So in order to get power we recorded our weight‚ measured the weight of the bag‚ and the time it took to lift a bag. The experiment is done in two ways 1) with constant time and 2) with constant height. In this way‚ we can compare and know if there will be a difference in the amount of power exerted by a person if either time or height will be constant. The formulated
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Week #7 Chapter 10 Static and Current Electricity Exercises (p.221) 6. Strictly speaking‚ will a penny be slightly more massive if it has a negative charge or a positive charge? Explain. A negative charge because when it is negatively charged electrons are added to the penny. 17. What is the voltage at the location of a 0.0001 C charge that has an electric potential energy of 0.5 J (both voltage and potential relative to the same reference point)? Potential = energy Charge = 0.5 J / 0.0001
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Background: Harold Holt was born in Stanmore‚ New South Wales on 5 August 1908. He was the elder of two children. Holt was enrolled at Wesley College in Melbourne‚ which happens to be where the future Prime Minister Robert Menzies had been a star pupil as well. It is argued that due to a lack of parental love‚ is mothers early death and his parents’ divorce caused many feelings of loneliness and insecurity in Holt. Holt did very well in school‚ winning a scholarship to the University of Melbourne
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1. Properties of light Reflection The speed of light is measured through the equation: v = λ f. However‚ it turns out that when light is reflected off a surface its speed stays the same. This was first proven by Sir Isaac Newton. Under the assumption of perfectly elastic collision‚ the laws of reflection follow from the laws of motion. To demonstrate‚ consider a particle traveling towards a flat frictionless surface whose horizontal and vertical velocity components are: VX and VY. When the particle
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(2012 est.)[5] Average gross salary $1‚410 yearly (2011)[6] Main industries textiles‚ chemicals‚ food processing‚ steel‚ transportation equipment‚ cement‚ mining‚ petroleum‚ machinery‚ software‚ pharmaceuticals Ease of Doing Business Rank 132nd[7] (2012) External Exports $309.1 billion (2012 est.) Export goods petroleum products‚ precious stones‚ machinery‚ iron and steel‚ chemicals‚ vehicles‚ apparel Main export partners UAE 13%‚ US 11.4%‚ China 6.3%‚ Singapore 5.3% (2011) Imports $500
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Rushi Katragadda Don’t Know Much About History Chapter 5 1. What happened at Custer’s Last Stand? Battle between Native Americans and U.S. forces‚ as a result of actions made by George Armstrong Custer. One of the greatest conflicts between the two forces leading to the government to wage war against the tribes. Even though the Natives were only defending against attack they were called out as murderers. 2. What happened at Wounded Knee? This was the Natives last stand in the 1800s bringing an
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CS2(l) + 3O2(g)→CO2(g) + 2SO2(g) ∆H = -1072 kJ/mol 6. Use the following Bond Energies/ kJ/mol: Calculate the std. enthalpy change for the following reactions: (i) C2H4 (g) + H2 (g) →C2H6 (g) (ii) the combustion of 1 mole of CH4. 7. Calculate the std enthalpy change for the foll. reaction: SO2 (g) + 2H2S(g) → 3S(s) + 2H2O(l) Given the following ∆Hf/ kJ/mol: SO2 -297 ; H2S -20.2 ; H2O - 286 8.
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