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kinematics

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

Physics

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Chapter 7 ? Rotational Motion and the Law of Gravity This chapter deals with rotational kinematics ? the relationships between rotational position, velocity, acceleration and time. Rotational dynamics will be discussed in the next chapter. Dynamics deals with energy, momentum, and forces. Universal gravitation is also discussed in this chapter in part since satellite and planetary motion involves rotation. Angular displacement, velocity, and acceleration Angle (() can be defined in terms of radius (r) and arc length (s) on a circle as

Principals of Engineering final exam

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Principles Of Engineering? Final Examination Part A Spring 2007 Student Name: ___________________________________ Date: _____________________ Class Period: _____________ Total Points: ____________/40 Converted Score: ____________/50 Directions: Circle the letter of the response that best answers the question or completes the statement. Then fill in the Part A answer sheet. Reference Tables are available at the end of the document. 1. An engineer begins the process of brainstorming potential solutions to a design problem. One of the requirements of the final product is that it be biodegradable. This restriction would be referred to as a ___________. A. matrix C. constraint B. holdover D. design brief 2.

AP Physics B - Kinematics & Projectile Motion

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AP Kinematics Review Sheet Basic Terms: Position ? Location (sometimes in x and y coordinates) Displacement ? Distance and direction from initial position Speed ? Rate of change of displacement; magnitude only Velocity ? Rate of change of displacement; direction and magnitude; v = ?x/?t Acceleration ? Rate of change of velocity; direction and magnitude; a = ?v/?t For graphs of position versus time, velocity versus time, and acceleration versus time: Velocity is the slope of a position versus time graph Average velocity ? only use the first and last points Instantaneous velocity ? use the slope of the tangent line to the curve *The area under a velocity vs time graph equals distance acceleration is the slope of a velocity versus time graph

Kinematics Review

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Kinematics Uniform Motion How can uniform motion be I. Any object moving at a constant velocity expressed and how can it be II. When graphed, the line of best fit represents the average speed calculated? a. y = mx + b; where ?m? is the constant (slope) and ?b? is the initial value b. velocity = displacement / time (m/s) Vectors and Scalars What is the difference betw- I. A vector is a measurement that has a direction component een a vector and a scalar? a. Velocity and displacement are vector quantities (e.g. 5 km/h [S]) II. Speed and distance are scalar quantities (e.g. 15 m away) Uniform Acceleration What is uniform acceleration I. Accelerated motion (non-uniform) occurs when an object travelling in a

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