inclined planes‚ and pendulums. In this lab exercise‚ you will see how the acceleration of a rolling ball or cart depends on the ramp angle. Then‚ you will use your data to extrapolate to the acceleration on a vertical “ramp;” that is‚ the acceleration of a ball in free fall. If the angle of an incline with the horizontal is small‚ a cart rolling down the incline moves slowly and can be easily timed. Using time and position data‚ it is possible to calculate the acceleration of the cart. When the
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dtunName_________________________________ Home Challenge Lab 2- The force of Gravity Topics covered in this lab: The force of gravity Newton’s Laws One of the topics we have discussed is acceleration‚ meaning that the velocity of the object under study was changing. What causes something to accelerate? In this lab you will investigate the forces that affect the motion of objects. Gravity Materials: <!--[endif]-->Something to toss (Please choose an object that
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Graphs 1 Introduction We have studied one non-linear data structure so far i.e Trees. A graph is another non-linear data structure that is widely used to solve many real-life computing problems. For example‚ we need to use a graph to find out whether two places on a road-map are connected and what is the shortest distance between them. Graphs are used in simulating electrical circuits to find out current flows and voltage drops at various points in the circuit. Graphs are widely used in telephone
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Erica Chan Sinh Nguyen Dat Nguyen Wed 2:00-5:00 02/19/2014 OHM’S LAW I. Purpose The purpose of this lab is to help understand how voltage‚ current and resistance are closely related to one another. The outcome from this lab is to be able to differentiate when to use ohmmeter and voltmeter for the individual circuit. II. Theory Ohm’s Law states that the electric current through a material is directly proportional to the voltage across a piece of material (such as wire) while the resistance is held
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following in detail Do you agree with the use of the animals in experiments? Why or why not? Fully explain your response. Points to consider in your response: The purpose of the study The type of study (observational‚ medical‚ etc) The type of animals being used The use of animals in experiments can be extremely helpful in understanding humans. Animals have similar physiology‚ genetics‚ similar learning and emotional processes as humans. I believe animal experiments are necessary in order to advance
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Brandeis (who was responsible for many of Wilson’s ideas in the first place) wrote a series of articles for Harper’s Weekly which outlined why the New Freedom was necessary and how best to implement it. In 1914‚ the articles were collected in book form and published under the title Other People’s Money--and How the Bankers Use It. Brandeis’ central thesis was that the large banking houses were colluding with businessmen to create trusts in America’s major industries. Brandeis felt that not only did
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Newton’s Second Law How does a cart change its motion when you push and pull on it? You might think that the harder you push on a cart‚ the faster it goes. Is the cart’s velocity related to the force you apply? Or does the force just change the velocity? Also‚ what does the mass of the cart have to do with how the motion changes? We know that it takes a much harder push to get a heavy cart moving than a lighter one. A Force Sensor and an Accelerometer will let you measure the force on a cart
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Making Graph and Data-Based Decisions (60 points) Paragraphs should be typed and written in complete sentences. Please use project headings for each section. Use Times New Roman‚ 12-pt font and double space. Cite any resources in APA format. This assignment requires you to collect your own data and to use that information to make decisions. This project happens in two parts. Part (due Seminar 4) requires you to identify a topic. Parts 2-5 (due Seminar 5) require you to collect and use the data
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line on a Cartesian graph is approximately the distance y in feet a person walks in x hours. What does the slope of this line represent? How is this graph useful? Provide another example for your colleagues to explain. The slope of the line represents the speed of the person in feet per hour. This graph is useful because it provides a visual representation of the continuous motion of the person walking‚ something that could not provided by something like a bar graph. In a bar graph‚ the sheer number
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small room gives a mysterious feeling. Spookily quiet and the Landlady´s weird kindness made the story more creepy，something is going to happen. Nevertheless，the story had not gone clear so the readers do not know what happened yet. When Billy signed his name on the guest book and drank the “bitter almond” tea，the whole story slowly transfer to a scary mood ，which Billy had been poisoned! Connect the stuffed animal and the Landlady´s strange movement，the story reached the climax. Finally，the Landlady
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