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Physics

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Physicss

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Chapter 1, Introduction CHAPTER 1 Conceptual Problems C1. A room in a house has a floor area of 120 ft2. Which of the following is most likely the approximate volume of the room? a. 3 m3 b. 30 m3 c. 300 m3 d. 3 000 m3 C2. When SI units are plugged into an equation, it is found that the units balance. Which of the following can we expect to be true for this equation? a. The equation will be dimensionally correct. b. The equation will be dimensionally correct except sometimes in cases when the right hand side of the equation has more than one term. c. The equation will not be dimensionally correct. d. All constants of proportionality will be correct.

SAT II Physics

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http://www.xtremepapers.net About The Thomson Corporation and Peterson?s With revenues approaching US$6 billion, The Thomson Corporation (www.thomson.com) is a leading global provider of integrated information solutions for business, education, and professional customers. Its Learning businesses and brands (www.thomsonlearning.com) serve the needs of individuals, learning institutions, and corporations with products and services for both traditional and distributed learning. Peterson?s, part of The Thomson Corporation, is one of the nation?s most respected providers of lifelong learning online resources, software, reference guides, and books. The Education SupersiteSM at www.petersons.com?the Internet?s most

Circuits

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Chapter 20 Summary Circuits and Circuit Elements Summary If you want to light a bulb, you require a voltage source and a complete circuit. An electric circuit is a set components connected so that they provide one or more paths for the movement of charges. Any element or group of elements in the circuit that dissipates energy is called the load. In a series circuit, there is only one current. The current through each bulb in the diagram below would be the same. In a parallel circuit, there are multiple pathways for the charges to flow. Images Figure 20-1a Figure 20-1b Figure 20-1c Summary The total voltage, current and resistance in a circuit depend on the configuration of the components in the circuit. Important Formulas

physics lab

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Nicholas Natale, Kyle Guzman, Conor O?Callahan, Paul Febles Physics H- Curran 3/26/14 Hypothesis: The two darts will hit the ground at the same time because gravity is the factor affecting them, and gravity is constant. Dart Experiment Procedure Materials: 2 Nerf Dart guns 2 Darts (one weighted with metal beads) Metal Beads Camera Procedure: We will test the reaction time of the guns when the trigger is pulled to make sure that they are uniform. (This will be tested 3 times) We will shoot the darts from a balcony at the same height and two people will be below the drop site. One person will shoot both guns so they will be fired almost at the same time. We will rotate who shoots the guns in order to make sure person shooting has little to no effect on results.

Electrostatics Lab

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Name____________________ Date______ Section___________________ Group_____ Physics Laboratory Exercise Electrostatics Lab *Adapted from Flynn Scientific ??? Introduction: Objects obtain positive and/or negative charges through the transfer of electrons. Friction is not a requirement of charge transfer. Rather, it is the relative attraction for electrons of the different materials that determines the direction of electron transfer. In this lab activity, you will explore positive and negative charges, electrostatic attraction and repulsion and conduction and induction using basic materials. Objective: To charge a number of materials and explore electrostatic attraction and repulsion.

Velocity Review

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Name ______________________________ Date _________ Mr. Carcich Physics Velocity Test Review You need to know: The definition of kinematics. The difference between: Vectors and Scalars; and examples of each. Distance and Displacement; which is scalar? Which is vector? Speed and Velocity; which depends on direction also? **Can your speed remain constant but your velocity be changing? Explain. Two ways to have a constant velocity? Three ways to change your velocity? What is your acceleration when your velocity is constant? Graphing Derive data from, compare, and interpret the following graphs: Distance vs. Time Graph Slope = ___________ Horizontal line = ___________________ Linear Direct = ______________________________

Work Power Machines Review

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Name ______________________________ Date ____ Mr. Carcich CP Physics Work/Power/Machines Review Be sure you understand completely the following concepts. You need to know: Work The definition and units for work. What is 1 Joule equivalent to? Work is done when a force causes an object to be displaced 1 J= How can you tell if work is being done? What are the two requirements for work? How must they be acting? (Parallel or perpendicular) Work is done only when the force is parallel to the dispalcement Object must be displaced for work to take place When will work be positive? When will work be negative? Positive: force and displacement in same direction Negative: force and displacement in different directions How can you increase the amount of work you do?

Midterm Physics Exam

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Name __________________________ Mr. Carcich Physics Practice Mid-term Exam (2) Multiple Choice: 1) The first two parts of the scientific method are a. observation and question b. question and hypothesis c. theory and conclusion d. hypothesis and experiment 2) A logical and time-tested explanation of a phenomenon that occurs in the natural world is a. observation b. natural law c. theory d. hypothesis 3) The measure of how fast something is moving is defined as a. velocity b. speed c. acceleration d. free fall 4) Which of the following is not a valid unit of speed a. km/h b. centimeters per day c. light years per century d. joules per decade 5) Speed in a given direction is defined as

Vectores Scalars Review

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Name _____________________ Date _____ Mr. Carcich CP Physics Vectors/Scalars Review Sheet You need to know: What is the difference between scalar and vector quantities? What are four examples of vector quantities? What are four examples of scalar quantities? How do we draw vectors? What does the length of the line represent? What does the direction of the arrow represent? How do we measure the angle of the vector? (From the resultant to the nearest x-axis, less than 90 degrees) When drawing vectors, why do we need to use a scale? What is a resultant vector?

Circular Motion Questions

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Name ____________________ Date ___________?Mr. Carcich Physics 2D Motion Short Answers 1) Distinguish between rotation and revolution. Using the earth, provide an example of each. 2) Distinguish between rotational and tangential speed. What is their relationship? 3) If you are on the center of a merry-go-round, and you walk toward the outer edge, how does your rotational speed change? Your tangential speed? 4) When you whirl a can at the end of a string in a circular path, what is the direction of the force that acts on the can? 5) Does an object undergoing uniform circular motion accelerate? Why? 6) When a car makes a turn, do seat belts provide you with a centripetal force or centrifugal force?

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