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### exam-1A-K10-soln

Course: PHY 317k, Fall 2011
School: University of Texas
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University of Texas - PHY - 317k
1. Ifa car weighing 4400lbs (mass 2000 kg) accelerates from 0 to 60 mph in 9.0 sec, then(ignoring friction and air resistance) approximately what is the average power delivered[y the engine? (Note: 60 mph : 27 rn/s and t hp :746W.)B ll8liC)T 0'or) =
University of Texas - PHY - 317k
[. A man pushes a crate weighing 440 N up a hill, which rises at a constantangle of 30owith respect to the horizontal direction. About half way up the hill, the man decides torest, so he stops pushing. The crate remains in place, without slipping back
University of Texas - PHY - 317k
l.An ice skater with rotational inertia /e is spinning with angular speed ar6. She pulls herarms in, thereby decreasing her rotational inertia to Isl3. Then her angular speed is:A) goto/-lc)D)E)L( 'LPr,@o/3otolgnone of thesetu+2. Iflr,t.-
University of Texas - PHY - 317k
l.A 0.50 kg rubber ball is dropped vertically from the window of a building. It strikes thesidewalk below with speed 30 m/s and bounces back up with speed 20 m/s. The,Eenitude and direction of the impulse acting on the rubber ballC) 5.0 N . s, upward
University of Texas - PHY - 317k
l. A pendulum consists of a 2.0 kg mass (called the bob) hanging at the end of a string oflength 2.0m. If the bob is pulled to one side and released, the bob will swing back andforth. If the potential energy Uof the bob is 2.0 J higher at its position
University of Texas - PHY - 317k
l.A soccer ball weighs about 4.0 N and has diameter of 20 cm. If placed in pure water,what volume of water will be displaced by the soccer ball? (Recall 100 cm : I m, andthat the den^sity of pure water is 1000 kg/^' , which is also equal to 1.0 kg/l000
UCLA - CS - 31
CS 31 Lecture 1HollerithAtanasoff &amp; Berry first computerCOLLOSSUS (Flowers)Z3 (Zuse)Harvard Mark I (Aiken)ENIAC JOHNIAC SEAC SWAC UNIVACAAAMemory- repeated structures (cells) stored numbersCPUInput/Output DevicesASCII -&gt; encode letters into numb
UCLA - CS - 31
Step 5 states to run the program with integers that cause it to produce incorrect, unusual, ornonsensical results. One set of values I inputted were 5 and 10, respectively. This gave me aresult of 200%. The values were valid in the program, but in actua
UCLA - CS - 31
1. endlendlgrendelThe third statement under the string is the only one that ends the line. After grendel, theprogram would not skip to the next line but it will immediately display Press any key tocontinue . . .2. It displays a series of # signs star
UCLA - CS - 31
a.I had minor issues with the algorithm to compute the net amount. At first not allinputs gave the correct results so I simply looked over it and found smallproblems such as either adding or subtracting the commission.There was an obstacle I had to fi
UCLA - CS - 31
a.It took many hours of debugging to get all of the functions to work properly withdesired results. It took countless runs and fixes until I got some functions to work.ThegetFirstWord function was the first function I had to make, and I had to find the
UCLA - CS - 31
a. There were many complicated algorithms I had to figure out. Comparing strings was hardbecause I didn't know how to find the largest string within a vector. Initially, I thought Ihad to compare each element with every other vector but I found a better
UCLA - CS - 31
1. a. int main()cfw_int arr[3] = cfw_ 5, 10, 15 ;int *ptr = arr;*ptr = 10;*(ptr + 1) = 20;ptr += 2;ptr[0] = 30;/ set arr[0] to 10/ set arr[1] to 20/ set arr[2] to 30int k = 0;while (ptr &gt;= arr)cfw_cout &lt; arr[k] &lt; endl;k+;ptr-;/ print va
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Homework # 1(Preliminaries)CS 510 Design and Analyses of AlgorithmsLahore University of Management SciencesJanuary 31, 2012February 9, 2012 (Before Class)100Release DateDue DatePointsNotes: Work within your group. Each member must submit his/he
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Homework # 2Divide and ConquerCS 510 Design and Analysis of AlgorithmsLahore University of Management SciencesRelease DateDue DatePointsFebruary 10, 2012February 21, 2012 (Before Class)120Notes: Work within your group. Each member must submit h
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Homework # 3Dynamic ProgrammingCS 510 Design and Analysis of AlgorithmsLahore University of Management SciencesRelease DateDue DatePointsFebruary 29, 2012March 10, 2012 (Tutorial time)90Notes: Work within your group. Start early (there will be
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CS 173Homework 0 Grading RubricFall 2007CS 173: Discrete Mathematical Structures, Fall 2007Homework 0 Grading RubricAs a general course policy, every error in notation, terminology, algebra, logic, wordusage, grammar, spelling, or punctuation should
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CS 173Homework 0 SolutionsFall 2007CS 173: Discrete Mathematical Structures, Fall 2007Homework 0 Solutions1. Simplify the following expressions as much as possible. Do not approximate. Express all rational numbersas improper fractions.73+376(e)
Lahore University of Management Sciences - DIS - 101
CS 173Homework 1 SolutionsFall 20071. 10 points total. Professors Kirk, Spock, and McCoy are sitting around in Siebel Center havinga discussion about coffee. Each of these people is either an acionado (someone who speaksonly truth) or a charlatan (so
Lahore University of Management Sciences - DIS - 101
CS 173Homework 2 SolutionsFall 2007CS 173: Discrete Mathematical Structures, Fall 2007Homework 2 Solutions + RubricRubric: As usual, the maximum score on this homework is 100; the homework score is the percentageof 2 homework points applied to your
Lahore University of Management Sciences - DIS - 101
CS 173Homework 3 SolutionsFall 20071. (5 points 3) [E&amp;C 1.6 #3] For each of the following, identify the reasoning as valid (bymodus ponens or modus tollens) or invalid (by the converse fallacy or inverse fallacy).(a) If you pass the test, you studied
Lahore University of Management Sciences - DIS - 101
CS 173Homework 4 SolutionsFall 20071. The Fibonacci numbers are dened by the recurrence:F0 = 0F1 = 1Fn = Fn1 + Fn2 , n 2We give you a skeleton of an inductive proof that that for all integers n 0, the nth Fibonacci number canbe written1Fn = (n n
Lahore University of Management Sciences - DIS - 101
CS 173Homework 5 SolutionsFall 20071. One of the most basic functions preformed by computing hardware is binary addition. Representing thesum of two bits in binary requires two bits; the less signicant (ones) bit is called the sum bit, and themore si
Lahore University of Management Sciences - DIS - 101
CS 173Homework 6 SolutionsFall 2007Rubric: The maximum possible score on this homework is 50.1. Venn diagrams are commonly used in set theory as illustrations to show inclusion in a set. Write a setformula for the shaded regions in the following Venn
Lahore University of Management Sciences - DIS - 101
CS 173Homework 7 SolutionsFall 20071. Prove that A (B C ) = (A B ) (A C ) for all sets A, B , and C .Solution:A (B C )= cfw_(a, x) | a A x (B C )[denition of ]= cfw_(a, x) | a A (x B x C )[denition of ]= cfw_(a, x) | (a A x B ) (a A x C )[distr
Lahore University of Management Sciences - DIS - 101
CS 173Homework 8 SolutionsFall 2007The maximum score for this homework is 65 points.1. For any relation , the [adjective] closure of is dened to be the smallest [adjective] relation that containsas a subset. Here, [adjective] could be symmetric, or r
Lahore University of Management Sciences - DIS - 101
CS 173Homework 9 SolutionsFall 2007The maximum score for this homework is 58 points.1. Let V be an arbitrary nite set, and letbe an arbitrary partial order on V . Let G = (V, E ) be thedirected graph where E = cfw_(u, v ) | (u v ) (u = v ). Prove th
Lahore University of Management Sciences - DIS - 101
CS 173Homework 10 SolutionsFall 2007The maximum score for this homework is 45 points.1. Consider the three setsA = cfw_1, 3, 5, 7,B = cfw_2, 3, 6, 7,C = cfw_4, 5, 6, 7.Write expressions for the following sets in terms of A, B , and C , using the s
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
VectorsandScalarsAP Physics BScalarA SCALAR is ANYquantity in physics thathas MAGNITUDE, butNOT a directionassociated with it.Magnitude A numericalvalue with units.ScalarExampleMagnitudeSpeed20 m/sDistance10 mAge15 yearsHeat1000calori
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
VectorsandScalarsAP Physics BScalarA SCALAR is ANYquantity in physics thathas MAGNITUDE, butNOT a directionassociated with it.Magnitude A numericalvalue with units.ScalarExampleMagnitudeSpeed20 m/sDistance10 mAge15 yearsHeat1000calori
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
MathinPhysicsAP Physics BAim:Whatmathskillsareneededinphysics?Aim:Whatmathskillsareneededinphysics?Learning Objectives(LOs)1. Describe what onestudies in physics2. List three systemsof measurement3. Apply dimensionalanalysisAgenda Do Now Quiz
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Aim:HowdoweconvertunitsofAim:Howdoweconvertunitsofspeed?LOs1. Convert speedunits2. Use metricprefixes3. ComparemeasurementsAgenda Do Now Quiz Notes on UnitconversionHmwk #1 Web Assign PracticeProblemsDue:ReviewReviewDimensional Analysi
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MethodsofMotionAP Physics BAim:Howdowecalculatemotion?Aim:Howdowecalculatemotion?LOs1. Define displacement, distance, speed, velocity,and acc2. Solve for d, v, a, tHmwkDue:DisplacementDisplacement (x or y) &quot;Change in position&quot;It is not necessa
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
GraphicalAnalysisofMotionAP Physics BLOs Find slope of p-tgraphs and v-t graphs Calculate area of v-tand a-t graphs9/20/109/20/10Aim:Howcanwerepresentthemotionwithagraph?Agenda Do Now Quiz Notes on Graphing Motion DetectorsHomework #3: Du
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
GraphicalAnalysisofMotionAP Physics BLOs Find slope of p-tgraphs and v-t graphs Calculate area of v-tand a-t graphs9/20/109/20/10Aim:Howcanwerepresentthemotionwithagraph?Agenda Do Now Quiz Notes on Graphing Motion DetectorsHomework #3: Du
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
KinematicsAP Physics BLOs-Define and calculatedisplacement, speed,velocity, and acceleration-Solve for displacement, finalv, initial v, acc, or timeusing the 3 kinematicsequationsAgenda Do Now Quiz Notes Match GraphAim:HowdoweAim:Howdowean
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
KinematicsAP Physics BLOs-Define and calculatedisplacement, speed,velocity, and acceleration-Solve for displacement, finalv, initial v, acc, or timeusing the 3 kinematicsequationsAgenda Do Now Quiz Notes Match GraphAim:HowdoweAim:Howdowean
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Aim: What is L.O.'s An object in free fall fall? accelerates due to the force of gravity. Establish magnitude and direction of &quot;g&quot; Use the motion equations to solve problem involving Homework H#4 freely falling objectsAgenda 1. DNQ 2. Notes-Free Fall 3.
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO's Calc v, d, t for projectile Draw and label parabolic path Agenda Do Now Quiz Notes-Projectiles 2-body practice probsAim: What is projectile motion? DO NOW QUIZ (9/19/11) WORK SILENTLY ON DO NOW Q'S FROM SHEET MAKE SURE YOUR NAME IS ON THE PAPER.P
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO's State Newton's 1st Law Identify forces acting on an objectAim: What is Newton's 1st Law?Agenda Notes on 1st Law Free Body DiagramsForce =Push or Pull Vector Quantity Units: Newtons (N) Can exist during physical contact(Tension, Friction, Applied
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Newton's 2nd Law The acceleration of an object is directly proportional to the force acting on it and inversely proportional to its mass.FormulaFNET = ma F = force(vector) m = mass(scalar) a = acceleration(vector)Small forceBig massSmall Acceleratio
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Newton's 2nd Law The acceleration of an object is directly proportional to the force acting on it and inversely proportional to its mass.FormulaFNET = ma F = force(vector) m = mass(scalar) a = acceleration(vector)Small forceBig massSmall Acceleratio
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO's Calculate friction using u and Fnorm Differentiate between static and kinetic friction Agenda Do Now Quiz Notes-Friction Practice WkstAim: How do we calculate friction?Sliding Friction Microscopic model Depends on microscopic (electrostatic) bond
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO's Calculate components of Fg, parallel and perpendicular to incline Determine acc on an incline Agenda Notes-Incline PracticeAim: How do we solve for forces on an incline?InclinesFf FN mg cos mg Tips Rotate Axis Break weight into components Writ
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO's State Newton's 3rd Law Analyze forces acting on systemsAim: What is Newton's 3rd Law? Agenda Do Now Quiz Notes-3rd Law Practice WkstQuestion: How do we walk?Newton's Third Law&quot;For every action there is an EQUAL and OPPOSITE reaction. This law
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
L.O.'s Calculate KE, PE, and W Derive equation for KE and PEAgenda 1. DNQ 2. Notes 3. Practice ProbsAim: How do we calculate energy?Work, Energy &amp; PowerAP Physics BThere are many different TYPES of Energy. Energy is expressed in JOULES (J) 4.19 J =
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Aim: How can we use conservation of energy to predict speed or location? Objectives Understand the concepts of mechanical energy and of total energy Apply conservation of energy in analyzing the motion of systems of connected objects Apply conservation o
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
PowerOne useful application of Energy is to determine the RATE at which we store or use it. We call this application POWER! As we use this new application, we have to keep in mind all the different kinds of substitutions we can make. Unit = WATT or Horse
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Impulse and MomentumAP Physics B10/26/11 Aim: What is momentum?L.O.'s Calculate momentum and impulse Derive units for p and JAgenda 1. DNQ 2. Notes-p and JThe linear momentum p of an object of mass m with avelocity of v is p = mvIt is a vector and
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Impulse and MomentumAP Physics B10/26/11 Aim: What is momentum?L.O.'s Calculate momentum and impulse Derive units for p and JAgenda 1. DNQ 2. Notes-p and JThe linear momentum p of an object of mass m with avelocity of v is p = mvIt is a vector and
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
L.O.'s Calculate tangential velocity, ac, and FcAgenda 1. DNQ 2. Notes 3. Example ProblemsAim: How do objects travel in a circle?Circular MotionWhat is Uniform Circular Motion? .when an object moves in a circle at a constant speed. For Uniform Circu
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
L.O.'sRecognize that the motion does not Aim: depend on the object's mass Describe qualitatively how the velocity, period of revolution, and centripetal acceleration depend upon the radius of the orbit Derive expressions for the velocity and period of re
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Aim: What is torque?L.O.'s Calculate torque Determine condition in which an object will rotateAgenda 1. DNQ 2. NotesTorque 3. Demos 4. Practice ProblemsL10 Torque and Rotational MotionTorque makes things spin!What makes something rotate in the first
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Simple Harmonic MotionAP Physics BAim: What is simple harmonic motion?L.O.'s Sketch and interpret graphs of displacement, total energy of an oscillating system, kinetic or potential energy as a function of time, and identify points in the motion where
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO'sDefine volume flow rate Apply Bernoulli's equationAim: What is Bernoulli's Equation?Bernoulli's Principle &amp; Fluid ContinuityFluid FlowUp till now, we have pretty much focused on fluids at rest. Now let's look at fluids in motion It is important t
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Thermal Physicsx AP Physics B Lecture NoteszLO'sAnalyze heat transfer and thermal expansion Calculate changes in shape to an object that has been heated Convert between Kelvin, Fahrenheit, and CelsiusAim: How do we calculate linear thermal expansion?
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
LO'sAnalyze behavior of an ideal gas List properties of an ideal gas Explain Boyles Law, Charles Law and how they relate to behavior of an ideal gasAim: What is the ideal gas law?The Kinetic Theory of GasesBehavior of an Ideal Gas: 1) large number of
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
ThermodynamicsAP Physics BLO's Define heat, internal energy Calculate work done by an expanding gas Construct a PVdiagramAim: What is the difference between heat and internal energy?Agenda 1. DNQ 2. Notes 3. Example ProblemsJames Joule tests the pred
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Thermal Physicsx AP Physics B Lecture NoteszLO's1. State the connection between temperature and mean translational kinetic energy, 2. Determine the mean speed of gas molecules as a function of their mass and the temperature of the gas.Aim: How do we
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
Thermodynamics, Heat Energy, and how we benefit from it.LO's 1.Calculate heat capacity of a substance 2.Compare temperature changes based on heat capacityAim: What is heat capacity?Agenda 1. DNQ 2. Notes 3. Example Problems 4. Free Response RotationRE
Aarhus Universitet, Handels- og IngeniørHøjskolen - PHYSICS - 20339841
ElectrostaticsLO's Describe the behavior of charged particles Describe polarization and induced charges.1/10/12 Aim: How do charges interact?Agenda 1. DNQ 2. Demo 3. Notes 4. Example ProblemsElectric Charge&quot;Charge&quot; is a property of subatomic particle