speed as GPE is transferred to kinetic energy (KE). As it travels to the top of another loop‚ KE is transferred to GPE. Not all the energy is transferred to or from GPE – some is transferred to the surroundings as heat and sound. All moving objects have kinetic energy‚ KE. The kinetic energy an object has depends on the mass and speed. If the mass doubles‚ the KE doubles and if the speed doubles‚ the KE quadruples. Normally energy is lost through sound and heat (friction‚ air resistance). How the
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NATIONAL SENIOR CERTIFICATE GRADE 12 ENGLISH HOME LANGUAGE P2 NOVEMBER 2009 MEMORANDUM MARKS: 80 This memorandum consists of 26 pages. Copyright reserved Please turn over English Home Language/P2 -2NSC - Memorandum DoE/November 2009 NOTE TO MARKERS • • • This marking memorandum is intended as a guide for markers. The memorandum will be discussed with the marking panel before marking commences at the marking centre. Candidates’ responses must be considered
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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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AS Level Physics: Terms & Definitions:- Measurement Random errors are errors of measurements that result in a scatter of readings about a mean value. Systematic errors are errors of measurement which occur according to some fixed patterns such that they consistently give out an over-estimation or under-estimation of the true value. Accuracy is a measure of how close the results of an experiment agree with the true value. Precision is a measure of how close the results of an experiment
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speed of 3.50 m/s. The coefficient of kinetic friction between the box and the surface is 0.20. a. What horizontal force must be applied by the worker to maintain the motion? b. If the force calculated in part a is removed‚ how far does the box slide before coming to rest? 3. 4. In physics lab experiment‚ a 6.00-kgbox is pushed across a flat table by a horizontal force F. a. If the box is moving at a constant speed of 0.350 m/s and the coefficient of kinetic friction is 0.12‚ what is the magnitude of
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The affect on dynamic and static stretching on basketball specific fitness tests Introduction Basketball is‚ and requires a high-intensity‚ and non-continuous sprints of different durations‚ rapid accelerations‚ jumping‚ and agility ( Sallet‚ Perrier‚ Ferret‚ Vitelli‚ Baveral‚ 2005). Basketball players usually perform different stretches to get ready for trainings or matches‚ and the majority of coaches believe that pre-exercise stretching helps prevent injuries‚ that might occur during those
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Rachel Smith Design Lab: Kinetics Lab Introduction: ! Background Information- Effervescent tablets reduce stomach acid and help treat upset stomachs. The familiar fizzing you hear when you drop an Alka-Seltzer tablet into a glass of water is the result of a chemical reaction. After dropping the tablet into the water‚ the reaction causes the solid tablet to become dissolved and releases tiny bubbles of carbon dioxide. This reduces the time it takes for the medicine to work as it does not need to dissolve
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