Mr. Brown's Period 3-4 Physics H Page
Daily Activities and Assignments
(click on month) September, October, November, December, January, February, March, April, May, June...
9/8 Welcome to physics class. Cloud Chamber activity. Complete for 9/12 . Also complete Intro to WebAssign for 9/12.
9/12 Models of the Atom (Dalton, Thompson, Rutherford, Bohr), Relative size of atoms and atomic components. How do we "see" what is known- even what can't be "seen"! Complete Standard Model review sheet using Particle Adventure website- Due 9/13
9/13 Subatomic physics- components of the Standard Model. Quarks, leptons, force charge carriers. Rules of the game (conservation)worksheet- due 9/15 . Complete Standard Model WebAssign for 9/14.
9/15 Fundamental Forces- what they act on, what particles are the force carriers, the relative strength. Review table comparing these items. Questions from particle adventure review sheet for hw- check answers with link provided. Test on Unit 1 on Wed 9/20
9/19 Begin Unit 2- Motion. Describe motion (using words, pictures, graphs, and numbers) of Bocce ball sliding down ramp onto tabletop in groups- create posters. Go outside and measure position and time of four different types of motion. Data to Follow:
| TIME (seconds) | ||||
|---|---|---|---|---|
| position (m) | Chris "A" | Kevin "B" | Chris "C" | Kevin "D" |
0 |
0 |
0 |
0 |
0 |
10 |
2.16 |
1.31 |
2.53 |
1.43 |
20 |
4.09 |
2.20 |
4.15 |
2.62 |
30 |
6.16 |
4.16 |
5.44 |
3.67 |
40 |
8.28 |
5.51 |
7.04 |
5.06 |
50 |
10.29 |
6.87 |
8.43 |
6.35 |
60 |
11.93 |
8.09 |
10.04 |
7.72 |
70 |
14.02 |
11.23 |
10.25 |
|
80 |
16.59 |
10.81 |
13.17 |
11.45 |
90 |
18.69 |
11.82 |
14.52 |
13.78 |
100 |
20.96 |
13.75 |
16.63 |
16.84 |
Now the graphs: create a position vs. time graph for each of these trials. Please plot A and B on the first graph together (DO NOT CONNECT ANY POINTS), just circle data A and square data B or color code to distinguish. Graph C and D individually on their own pages. (You should come to class tomorrow with 3 pages of graphs if you've followed this correctly). Try to adjust your scale so that the origin of the graph starts at (0,0) and the biggest numbers (the final points) should take you past half the width or height of the page. If your data fits into 1/4 of the page, you haven't done this correctly.
9/20 Standard Model Test. Take position vs time graph and data and find the instantaneous velocity at every second for each trial. Graph velocity vs time information and then find acceleration at every second to create accel vs time graph. Complete for hw for 9/22
9/22 Graph Match Lab, check of 4 trials for vel and accel vs. time graphs. HW- complete graph match lab, redo vel and accel vs time graphs (if necessary) for 9/26. Also, WebAssign- Motion Graphs H 2006, due Monday night (9/25) at 11PM. (Bring printout of assignment to class).
9/26 Be very comfortable describing motion qualitatively from position vs time and velocity vs. time graphs, and mathmatically find the avg. velocity, inst vel., avg accel, inst accel, and displacement from graphical analysis. Discuss and solve problems from sheet 1 and sheet 2 in class. HW- WebAssign reopened for one more submission due tonight, solve problem (or at least determine as much information as you can and create graphs or math solution) from class: A bike travels at a constant vel of 10m/s. The bike gets 20 m past a car at rest and then the car begins to accelerate at 5m/s/s. When will the car pass the bike?
9/27 Modern Galileo lab. Determining acceleration from position vs time and velocity vs time graphs. (Modern Galileo due 9/29)
9/29 Derived general motion equations from graphs. Application of equations to acceleration problems. WebAssign Motion H due 10/3
10/3 WebAssign review. Chaser problems- graphical and mathematical solutions for zero, one and two points of intersection. Finsih WebAssign
10/4 Graphs for motion to review and problems (1-4) for homework (due 10/6). Ball Toss Lab to determine acceleration of gravity. Test on Motion on 10/10
10/6 Go over homework problems and prepare for test on 10/10. WebAssign handed out and posted due 10/8 at 11PM.
10/10 Test on Motion. Newton's First law demos, powerpoint, and guide sheet. HW- complete the guide sheet using the powerpoint link. (due 10/11)
10/11 Do now- survivor style CDPP 5-1 problems 1-7. Begin force vs. acceleration (carts accelerated with hanging mass) lab. Intro to Free-Body Diagrams, complete worksheets on Free-Body Diagram using physicsclassroom.com link for fbd's (due 10/13). Find acceleration due to unbalanced forces to derive part of Newton's 2nd law.
10/13 Complete force vs. acceleration (carts accelerated with hanging mass) lab.
10/17
10/18 Newton's 3rd Law- Powerpoint and guide sheet , please complete for homework. CDPP 6-1 front and back completed in class and reviewed through class discussion.
10/20 Work in groups to start worksheet "Applications of Newton's Laws" to be turned in at the end of class. HW- start WebAssign "Newton's Laws H #2" due 10/25 at 11PM. Bring in printouts
10/24 Glad to be back! Applications of Newton's 2nd law to multiple body systems and empahsis on creating free body diagrams and relating these to the net force and thus acceleration. Continue WebAssign "Newton's Laws H #2" due 10/25 at 11PM. Newton's Laws Test on 10/31.
10/25 Friction Lab- determining the relationship between normal force and static and kinetic friction. HW- complete webassign and "Applications of Newton's Laws" packet.
10/27 Continue friction lab (due: 11/1). Concept check on two body systems with acceleration, tension and friction. Review back of CDPP 6-1, action-reaction pairs. Test on Newton's Laws on 10/31.
10/31 Test on Newton's Laws.
11/01 Vectors- Basic Definitions of Vectors. Finding componenets of vectors and adding vectors using scaled diagrams and component method (using trig). Examples: Applying force vectors to find resultant (net force) and acceleration when forces are applied at angles. WebAssign assigned for 11/5.
11/03 Equilibrium Lab- finding the net force when a object is at rest, using component method. Also, determine the unknown (3rd) force when two known forces are acting on an object at angle- (hanging mass part). Assessment- lab reports. Continue to work on WebAssign.
11/7 Accelerating a Cart when pulled by a string at an angle. Class discussion of amount of normal force present during this situation and its influence on the amount of acceleration. Using vectors when direction of acceleration is defined. Students complete computations and analysiss on worksheet.
11/8 Friction Lab (Part 2) Finding mu static and kinetic for a 0.1kg wooden block and a 4kg brick sliding down a wooden ramp. Lab Report:
1) Explain how to find mu static using fbd's and Newton's Laws if you have the angle of the ramp.
2) Explain how to find mu kinetic using fbd's and Newton's Laws if you have the angle of the ramp.
3) Show all calculations (finding angle and mu values)
4) Compare mu's for light block vs. heavy brick.
11/14 Continue friction lab (part 2) to complete lab objectives. Written lab reports will be collected on 11/17.
11/15 Ramp problems with acceleration. Changing the coordinate axes to match relevant directions when situation is not horizontal/vertical type. Symbolic solutions for block accelerating down ramp (compared to block moving up ramp with a downward accelration)Complete the lab (due Tues. 11/21). , begin WebAssign with ramp problems.
11/17 Ramp problems- up and down, with and without friction- static and kinetic. Finding accelerations, coefficient of friction. Class discussion, small group work and individual effort to solve problems and ask questions. Assessment- webassign problems on ramps.
11/21 Review for test- students work in small groups to check individual understanding of vectors. Webassign review is completed and checked by teacher to confirm student understanding.
11/22 Test on Vectors-Inclines and Friction. Tallest paper tower contest- team activity to build the tallest tower from 2 sheets of newspaper and a 20 minute time limit. Have a Happy Thanksgiving.
11/28 Intro to Projectile Motion. Begin lab activity to predict where a marble rolled on a table will land on the floor. (marble roll lab). HW- start webassign which provides tutorial on projectile motion (due 11/29)
11/29 Rolling Marble of Table (or ROM lab)- Predict where marble will land after measuring the velocity the marble has while its on the table. Verify this with a rom sheet and measure percent error. Review homework and be ready for a quiz on 12/1. See WebAssign for extra problems (it is due Sunday 12/3 at 11PM, but the first 5 problems can be done already).
12/1 Up and Out Projectile Motion. Use online applet (lectureonline.cl.msu.edu/~mmp/kap3/cd060.htm) to view projectiles launched at 10m/s at various angles to fill in the table and answer questions on guide sheet. Try to complete the shooting arrows worksheet to calculate the height and range of a projectile launched at an angle. Assessment: horizontal projectile quiz. Assign Webassign on projectile motion part 2.
12/5 Solving for max range and max height for a projectile launched with a known velocity and angle above horiztonal. Students work in groups to complete solutions and work backwords to solve for the intitial velocity of launch. Continue webassign on projectile motion part 2.
12/6 Students experiment with Interactive Physics to create their own projectiles in a simulated environment to check understanding of projectile concepts while other students experiment with launcher to determine velocity and create a point game based on predictions (based on calculations) of the landing spot of the projectile.. Individual Assessment- Test on Projectile Motion.
12/8 Introduction Activivies for circular motion- Direction of a object's velocity and it's acceleration as it travels through a circular path. Equations to find velocity and centripetal acceleration are discusses (see page 142 in text for derivation). Define terms: period, frequency. Complete WebAssign on Circular Motion- Prep Work - due Monday 12/11 at 11PM. Activiity write-up needs to include:
A) direction of velocity of marble
B)
direction of force to keep pool ball in circle
C) Record player: find the velocity and cent accel of the two points, A and B, on the turntable as it spins at 78RPM.
D) Which point has a larger vel, accel, and freq? Provide clear explanations as to why there are differences for each quantity.
12/12 Circular Motion lab- finding the relationship between the cent accel and the velocity using a swinging stopper, with a varying net force. Review proj motion tests. Assessment: lab report due 12/19
12/13 Demo- vertical circles- how do you find the cent accel and Fnorm on an object as it turns up or down? Assessment- hw check, webassign, and upcoming test.
12/15 Applications of Cent Acceleration. Work in arranged groups to understand WebAssign problems and then complete circular motion lab. Add the following items to lab reports: A) the column "cent. accel" to the data table B) Find the mass of the stopper for each trial using cent accel and net force, find the average of the mass values, compare to actual mass (find the percent error)
12/19 Solving circular motion problems- key questions and guide (powerpoint)to fill in student sheet. Work in pairs to answer circular motion H practice questions.. . Test on Wed. 12/20
12/20 Test on Circular Motion. Homework- find BC- if you didn't copy down the image, click for powerpoint slide.
Find the distance the moon falls in one day from the given information, see powerpoint above.
12/22 Finding the orbit radius of Mars from sighting information (opposition and other angles) from Kepler's data. Tribute to Newton. HW-Phases of the Moon, looking at the moon's circular path and relate to force of gravity. (Redo hw from 12/20) Have a great vacation.
1/2/2007 Welcome back- Happy New Year! Complete the project to find the orbit radius of Mars from sighting information (opposition and other angles) from Kepler's data. The physics behind the phases of the moon is discussed.
1/3 Students will discover what happens to the force of gravity that the Earth exerts on you as you start on the planet and move farther away. Begin Orbiting Satellites and Gravity Virtual Lab. Run Interactive Physics through citrix (science applications folder after you login) and then open file in: student drive/physics j/force of earth on you.ip . Record answers on worksheet, and complete graph and answer the questions. Complete parts 1, 2, and 3.
1/5 . Use Kepler's Laws (powerpoint) to complete Kepler's Laws of Planetary Motion worksheet during the first period of the block. Students will apply Newton's Law of Universal Gravitation Force (equation) to find the fgrav between any two masses. Did you know that the person next to you is attracted to you? (well it may be quite small- how's 0.2 microNewtons) Complete finding fgrav worksheet. Begin and try to complete (whatever is not done in class is HW) Problem 7l worksheet and Orbiting Satellites and Gravity Virtual Lab parts 1, 2, and 3 for Tuesday 1/9 and webassign Gravity-H 1st attempt due Monday 11PM.
1/9 Link between orbiting objects and fgrav will be determined mathematically. HW- due Wed.: complete Kepler's Laws Review and part 4 of virtual lab.
1/10 Determining the orbit of Mars through the location angle of Mars and opposition of Mars during different dates/years. Complete Mars Lab using the data and your illustration of the elliptical orbit to find the major and minor axis and eccentricity of Mars' orbit. Lab due 1/16 .
1/12 Continue working on Mars Lab, apply Keplers Laws and Newton's laws of motion and universal gravity to determine the orbiting velocity as a general equation of any orbiting body (assuming a circular orbit). Confirm that Kepler's Laws are predicted by all of Newton's theories and apply equations to variety of situations. WebAssign due 1/15 and labs due 1/16.
1/16 Review Universal Gravity and Keplers Laws and begin review for midterm. Students work in pairs to confirm understanding of webassign with teacher assistance for individual questions. Students also have a chance to collect materials from the first semester to organize topics of study to prepare for the midterm.
1/17 Test on Universal Gravity and Kepler's Laws. Assessment- indvidual test on these topics to demonstrate conceptual and mathematical comprehension.
1/19 Electrostatics Activity- How do objects become charged? Students will investigate transferring charge of one object to another and the methods to determine amount and type of charge. Charge transfer and polarization are discussed and examples provided. Assessment is based on lab reports- observations and conclusions due 1/23.
1/23 Electrostatics- Determining the Force between charged particles. Review for Exam. WebAssign problems
1/24 Review for Exam. Concept Inventory checklist. Work in pairs on list and webassign as teacher circulates for individual help.
1/26 Midterm Exam. 7:30-9:45 exam period in room 76.
1/31 Return exams and examine errors. Students work in small groups and with teacher individually to correct mistakes and misunderstandings. Tests are collected at the end of the period.
2/2 Electric Fields- Students examine the meaning of electric field lines around a point charge and combination of charges. Electric Field PowerPoint with description of electric fields by definition, numerically, and with field lines. Complete the activity using web simulations.
2/6 Electric Fields- Demos with ebony rod/fur and vandeGraff generator. Students explain and witness the effects of small and large charge on hair, pie tins, pith balls, paper bits, ribbon, class as a linked chain and effects of electrical discharge. WebAssign on Electrostratics to assess understanding of Coulomb's Law and electric field strength.
2/7 Electric Fields- Students will calculate the field around multiple point charges and the force and acceleration of charged particles in the presence of a field. Review webassign questions in small groups and as a class- continue webassign for assessment of understanding.
2/9 Lightening! High Voltage source to produce large bolts of "lightening"- students create observations and then attempt to explain these observations. More demos to show field inside a charged 3-d conductor is ZERO. Lightening video (Nova) to understand current research and safety awareness of this phenomenon. Assessment - 2nd webassign and check of first one. Due Date of #2 is 2/13, and test on 2/13.
2/13 Electrostatics Test. Students demonstrate understanding of Coulomb's Law and electric fields, both conceptually and mathematically.
2/20 Magnetism- properties and the link between moving charge and magnetic fields. First right hand rule is described and applied to variety of situations. Domain nature of matter is discussed. Activity- determining the magnetic field around a current carrying wire. Read 19.1-19.3
2/21 Magnetism- Creating electromagnets with solenoids (wires wrapped in a loop). Investigation of the strength of the magnetic field of electromagnet activities.
2/23 Earths Magnetic Field- how does this field affect human existence and what changes have historically taken and are currently taking place? Magnetic Storm Video (by NOVA). Students see how magnetic field is measured and the evidence that supports theories explaining the shifiting of the Earth's magnetic field.
2/27 Grape Lab- students determine the magnetic properties of grapes using neodymium magnets. Lab write up includes the following: how did you determine the poles of permanent magnets? what happened to the grapes for different orientations of the magnets when places near the grapes? what conclusion(s) can be drawn about the type of magnetism grapes display? explain.
2/28 3rd Right Hand Rule- The deflection force on a moving force in a magnetic field, solving for direction and magnitude of the force. Demonstration: Cathode Ray Tube- justify direction of deflection. Sample problems to determine force shown- assessment complete worksheet and WebAssign based on these concepts.
3/2 Applications of magnetic field/moving charge interactions. Students solve problems combining these concepts with older ideas (ie. circular motion) to see how a moving charge can be trapped by a magnetic field. WebAssign questions are discussed in small groups and indivdual needs are addressed. Complete WebAssign to show mastery of concepts.
3/5-8 HSPA's
3/9 Review Magnetism- use WebAssign problems to lead discussion, small group work and individualized instruction on concepts that are unclear.
3/13 Test on Magnetism. Students demonstrate understanding of relationship of moving charges and magnetism, forces and fields that arise from the interaction of charges in magnetic fields. Conceptual and mathematical problems are given to determine magnitude and direction of these fields and forces.
3/14 Power Lab. Intro to work. Students run/walk up steps to determine their own power and compare to classmates. Analysis and conclusions written in lab report- due 3/16.
3/16 Determining work from force/displacemnt situations with constant force and varying force (graphically from F vs. d plot). Free body diagrams are used to find the work done to an object by friction, gravity, applied, normal forces both along axis directions and at angles. Equation of W=Fdcosø is analyzed to show conceptual meaning. Problem sheet is given and students complete sheet individually and check in small groups.
3/20 Work and Energy Lab- Students use vernier force/motion probes to determine the amount of work done to and energy gained by an object that is llifted, rolled, and stretched a spring. Graphical interpretations of the force vs displacement and the work done are analyzed. Equations for the different types of energy gained are formed and the accuracy/precision of the lab in context of conservation of energy is discussed in report.
3/21 Continuation of Work and Energy Lab. Lab write-up to be completed for 3/27.
3/23 Applications of the conservation of energy. Demonstration of various situations which include transfer of energy from some type of potential (gravitational, elastic, chemical) to another or kinetic energy. WebAssign and Andes to assess understanding due 3/28.
3/27 Roller coaster simulation lab. Students apply conservation of energy (specifically mechanical energy) to determine the speeds and forces and different points in a roller coaster. Computer applets from variety of websites allows for numerical evaluation/analysis. Does mass matter worksheet completed individually to determine the speeds of riders of different masses on the same hills. Report of conclusions due 3/28. Work on Andes in class to check student success of new program.
3/28 Circular Loops in roller coasters. General approach to determine the minimum height of a roller coaster to make it to the top of a circular loop and what the normal forces would be at both the top and bottom of the loop given this height. Discussion of potential problems with circular loops and the modifications that engineers/designers need to make to insure a safe looping roller coaster. Student assist teacher in all derivations from basic principles of conservation of energy and free body diagrams to determine forces. Demonstration of marble on circular looping track evaluated for to test results.
4/10 Quiz on Conservation of Energy (mechanical energy). Derive universal potnetial energy - the pe of an object as it is influenced due to a changing force of gravity as u=-gm/r. Graphical intepretation of the signficance of a u vs d graph. WebAssign on Grav pot energy due 4/13.
4/11 Finding the launch velocity of an object. Relate u to ke as the potential energy changes from the surface of a planet to some location away from the planet. Students solve for initial velocity for final distance of 2r, 10r, 100r and infinitely far away. Continue WebAssign.
4/13 Students work individually and in pairs on WebAssign and ANDES to show mastery of concepts. Teacher monitors and engages students to confirm understanding and ask further questions.
4/17 Introduce Electrical Potential Energy- draw similarities from u (PE) to electical PE. Define key terms- EPE, power, voltage to relate these ideas to mass and gravitiational pe.
4/18 Electric Fields and energy- significance of direction of field and variable force on the EPE and voltage of a charged particle moved from one location to another. Several examples are analyzed and the voltage difference is calculated to show the path independence. WebAssign due 4/24.
4/20 An alternative perspective- Equipotential lines. Students create equipotential graphs of an area with a varietly of hills and values and signify the meaning of contour lines in terms of grav. pe, the direction of force, and the relationship of field lines with contour lines. Students then see similarity with electric equipotentail lines and use these concepts to determine the meaning of different graphs. Check of understanding through the class and indiviudal answers of worksheet.
4/24 Review energy and work using ANDES and webassign to confirm students understanding of mechanical, electrical energy and the relationship to heat generated in different situations. Results of WebAssign and ANDES measures mastery.
4/25 Ohm's Law Lab- Students measure current and voltage in a simple circuit with one voltage source and one resistor. V vs I graphs are created for each to determine the relationship between these two quantities and resistance is determined empirically from these graphs. Students compare experimental values with given values to check if acceptable within the tolerance of the resistors. Lab report due 5/1.
4/27 Complete WebAssign questions regarding energy and work concepts for electrical potential energy. Individual assessment: Energy and Work test.
5/1 Series and Parallel Circuits- Applying Ohm's Law to develop the rules for current, voltage and resistance in both series and parallel. Demo- qualitative observations of light bulbs wired in series vs. parallel circuits. Lab Activity- create both types of circuits with known resistors, measure the voltage dropped across each resistor and calculate current through. Students draw conclusions regarding general rules for the different types of circuits.
5/2 Compound circuits. Students apply rules for V, I, and Req for series and parallel circuits with Do-Now CDPP 35-1. Lecture to solve compound circuits for equivalent resistance and working backwards to find current through and voltage dropped across each resistor
5/4 school is cancelled- complete the worksheets distributed on 5/2, WebAssign on Circuits and ANDES problems described in the webassign.
5/8 Activity identifying direction of magnetic field lines around a single bar magnet, multiple bar magnets, circle and horseshoe magnets. Students draw field lines with appropriate directions around magnetic sources. Complete activity sheet and analyze results. Reading Handout from Conceptual Physics Ch 36.2-36.5 to determine cause of magnetism and domain theory
5/9. Demo of 1st right hand rule as current travels through a wire which is surrounded by compasses. PowerPoint on Magnetism (courtesy of Mr. Dellibovi) to complete the powerpoint guide. Students observe demos of second right hand rule, creating a magnetic field inside coiled wire (solenoid) and continue powerpoint which gives examples and applications of electromagnets. Equations to calculate magnetic field around a straight wire and loop(s) are shown and examples are completed. WebAssign posted,Complete powerpoint, emphasizing 3rd Right Hand Rule for deflecting force on a moving charge travelling through a magnetic field. Cathode ray tube demo shown for direction of deflecting force. Student questions on WebAssign are discussed as a class Interesting applications of magnetism and fields: directing the motion of a charged particle in a cyclotron. Activity: create a mini-motor using a battery, magnet, paperclips, and wire. Assessment- write an explanation of how the components create a working motor using fundamental principles of electro-magnetism. Review for test, webassign questions.
5/15 Group review of 3 right hand rules, equations, conventions of directions of force and magnetic fields, and why the motor works. Explain how the generator works to turn kinetic energy to electrical energy. Test on magnetism.
Intro to Momentum- definitions, examples and sample problems provided using physicsclassroom.com as an outline for the chapter. Students complete guide sheet as they complete online unit. Check for understanding questions sprinkled throughout the worksheet. Begin Webassign and ANDES problems.
5/16 Exploding carts lab. Students empirically show that linear momentum is conserved before and after an "explosion". Students derive this law from Newton's 2nd and 3'rd laws to show that this is generally (always) true, regardless of the type of event. Students complete lab analysis and webassign.
5/18 Elastic vs. Inelastic collsions. Show importance and relevance of kinetic energy remaining as such in collisions which are perfectly elastic and examples. Relative velocity relationship discussed. Teacher demonstrates usefulness of this statement in solving problems. Students complete class problems provided to check for understanding and complete webassign on collisions.
5/22 Applications of elastic collisions. General statements which can be made for all elastic collisions of mass A hitting mass B when A=B, A<B, A>B (observed using air-track). Slingshot effect (reference Apollo 13) discussed. Sudents complete webassign
5/24 Test on conservation of momentum.
5/25. WebAssign for final exam review part 1 posted. Students work on assignment in class in groups of two and individually
5/29 Momentum and Impulse. Students start with Newton's 2nd law and derive the change of impulse (or Ft) equals the change in momemntum ls the change in momemntum (delta p). Examples of small force acting for longer time periods (same change of momentum)- car safety features provided. Examples of extending time with same force for a larger impulse- (follow-though in sports) provided and calculation examples demonstrated. Webassign and ANDES on Impulse and Momentum assigned.
5/30 Momentum and Impulse- webassign issues discussed (notabley change in DIRECTION of speed) and students finsih assignments in class. Assessment of understanding of impulse/momentum perfromed (quiz).
6/1 Intro to EM waves-discussion of wave nature of light and the em spectrum. Relationships between speed of light, wavelength and frequency derived and problems solved for varaibles. Energy and frequency relationship (E=hf) shown with applications across the EM spectrum. WebAssgin posted.
6/5 Energy-EM waves. Using spectrometers to see the frequency of light emitted by excitation of known gases. Lab activity- determining the composition of a unwknown gas to compare spectral lines with known samples. Students understant jumps in energy level to be a result of inelastic collisions. Momentum and energy analysis are demonstrated for a collision which will yield a phoston of light. WebAssgin due.
6/6 Einsteing's big equation. Mass is conserved? Energy is conserved? Looking at these statements in more detail show that neither is really accurate. But E=mc(^2) completes the picture. Solving for the energy-mass equivalence in nuclear processes. Begin worksheet and webassign. Final exam review- old tests starting with work-energy through magnestism
6/8 Class discussion of applications of E=mc^2 . Review problems and complete worksheet and webassign individual and in pairs. Final exam review momentum through end of year. Examples of problems that use many principles from the semester (ballistic pendulum- general case).
6/12 Final Exams Begin