Online study resources available anywhere, at any time
High-quality Study Documents, expert Tutors and Flashcards
Everything you need to learn more effectively and succeed
We are not endorsed by this school |
We are sorry, there are no listings for the current search parameters.
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College Parisa Sadjady College Physics II - 01 G.T Field Lab 7a Plane Reflection Lab Lab 7b Refraction Lab Date performed: 11/21/2011 Date submitted: 11/28/2011 Plane Reflection Lab Plane Reflection Lab Purpose: The object of this ex
School: Bunker Hill
Course: College Physics2
259E6/r 259/ 2.59E+08 1E-014 2.59E+08 1.00E-13 2.59E+22 2.59E+21 Potential Energy U(r) 1.00E-14 2.00E-14 3.00E-14 4.00E-14 5.00E-14 6.00E-14 7.00E-14 8.00E-14 9.00E-14 1.00E-13 2.59E+22 1.30E+22 8.63E+21 6.48E+21 5.18E+21 4.32E+21 3.70E+21 3.24E+21 2.88E+
School: Bunker Hill
Course: College Physics2
2.998E+08 4.34E-07 4.05E-07 6.909E+14 7.408E+14 8.214E+14 9.594E+14 1.18264E+015 0.55 0.73 1.09 1.67 2.57 3.650E-07 3 2.5 3.13E-07 2.54E-07 f(x) = 4.13744849294624E-015x - 2.3149091806 R = 0.9997030076 2 Column B Linear Regression for Column B 1.5 1 0.5 0
School: Bunker Hill
Course: College Physics2
2.998E+08 4.05E-07 6.909E+14 7.408E+14 8.214E+14 9.594E+14 1.18264E+015 0.55 0.73 1.09 1.67 2.57 3.650E-07 3 2.5 Sto pping Po te ntial [e V] 4.34E-07 3.13E-07 2.54E-07 f(x) = 4.13744849294624E-015x - 2.3149091806 Planck's Constant R = 0.9997030076 5; 2.57
School: Bunker Hill
Course: College Physics2
Initial Voltage [v] 120 120 120 Percentage of initial potential after time contants RC [s] Time [s] V(t) [v] Potential Percentage at RC [%] 1 1 44.1 36.8 1 2 16.2 13.5 1 3 6.0 4.98 V(t) = V0(exp(-t/RC) Expected value [s] Trial Discharge 1 Charge 1 Dischar
School: Bunker Hill
Course: College Physics2
Diffraction Grating Lab Data Sheet N [lines/m] 6.00E+05 d = 1/N [m] 1.667E-06 L [m] 0.2500 y is the average distance D is the distance between diffraction grating and centimeter ruled d = 1/N is the grating spacing Element #2: Hydrogene Spectral Lines Pos
School: Bunker Hill
Course: General Physics
1. A displacement vector R in an xy plane is 20 m long @ an angle of 25 degrees. What are the x and y components? 2. The Steamboat Gesyer in Yellowstone National Park, capabale of shooting hot water from the ground at a speed of 48 m/s. How high does the
School: Bunker Hill
Course: General Physics
http:/physics.usask.ca/~pywell/p121/Tests.html#test1
School: Bunker Hill
Course: General Physics
1. Dx = 18.1 m Dy = 8.45 m 2. 115 m 3. 4.6 m/s ave speed 0.4 m/s^2 4. 90 m 5. 8.75 m/s 8.74 m/s^2 6. ~ 118 m -4.24 m/s^2 7. 7 m/s 8. 5.16 m/s 9. 4.76 degrees E of S 10. 3.07 s 11.858 m Dy
School: Bunker Hill
Course: College Physics
Quiz #6 (Friction; Work-KE theorem). Name_ PHY 251 1. A flat bed truck is carrying a 20 kg crate along a level road. The coefficient of static friction between the crate and the bed is 0.40. What is the maximum acceleration that the truck can have if the
School: Bunker Hill
Course: General Physics
MOMENTUM PROBLEMS Exercise 1: Auto companies frequently test the safety of automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent toward a cement wall with a speed of 14 m/s and the
School: Bunker Hill
Course: General Physics
FORCE PROBLEMS 1. Felicia, the ballerina, has a mass of 45.0 kg. a. What is Felicias weight on the earth in terms of physics? b. What would Felicias weight be on Jupiter if the acceleration of gravity is 25 m/s2? 2. Butch the star quarterback of BHS, has
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College Parisa Sadjady College Physics II - 01 G.T Field Lab 7a Plane Reflection Lab Lab 7b Refraction Lab Date performed: 11/21/2011 Date submitted: 11/28/2011 Plane Reflection Lab Plane Reflection Lab Purpose: The object of this ex
School: Bunker Hill
Course: College Physics2
Diffraction Grating Lab Data Sheet N [lines/m] 6.00E+05 d = 1/N [m] 1.667E-06 L [m] 0.2500 y is the average distance D is the distance between diffraction grating and centimeter ruled d = 1/N is the grating spacing Element #2: Hydrogene Spectral Lines Pos
School: Bunker Hill
Course: College Physics2
Theoretical Expectations Distance OM [cm] Angle of image [] 5.40 40.1 Expericmental results Distance IM [cm] Angle of reflection [] 5.56 40.1 Error OM-IM %Error 0.16 3.0 First angles of reflection [] 40.1 40.1 Angle Error [] 0 Air to Glass 1.50 1 [] 2 []
School: Bunker Hill
Course: College Physics2
Data Table Part I - Speed of Sound Length of tube Temperature of the room Trial 1 2 3 4 5 Average Part II - Simple Waveforms Tuning Numbe of fork or cycles note 480 Hz 23 512 Hz 25 1.319 m 23 C Total travel time (s) 0.01216 0.01206 0.01402 0.01344 0.01022
School: Bunker Hill
Course: College Physics2
Current in Solenoid I (A) 0.4 0.8 1.2 1.6 M a g n e t i c F i e l d B [ T ] Magnetic Field B (T) 3.863E-05 9.476E-05 1.530E-04 2.134E-04 Length of solenoid [m] Number of turns Turns/m [m-1] 1.00 99 99.0 Magnetic Field vs The Current I 3.000E-04 2.000E-04
School: Bunker Hill
Course: College Physics2
Data Table Resistor Fit Parameters Trial Discharge 1 Charge 1 Discharge 2 Charge 2 A 2.191 3.049 3.458 4.384 1/C 15.20 15.89 2.23 2.05 RC (s) 15.00 15.00 1.919 1.919 B 0.1921 -0.1354 0.09801 -1.471 C 0.06579 0.06294 0.4493 0.4881 1/C 15.20 15.89 2.226 2.0
School: Bunker Hill
Course: General Physics
PHYSICS II /LAB PHY 202 SPRING 2009 This course is a continuation of Physics 201. Using a problem-solving approach the following topics will be covered: waves and sound; fluids; electricity. magnetism, electro- magnetic induction; light, optics; and moder
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College Parisa Sadjady College Physics II - 01 G.T Field Lab 7a Plane Reflection Lab Lab 7b Refraction Lab Date performed: 11/21/2011 Date submitted: 11/28/2011 Plane Reflection Lab Plane Reflection Lab Purpose: The object of this ex
School: Bunker Hill
Course: College Physics2
259E6/r 259/ 2.59E+08 1E-014 2.59E+08 1.00E-13 2.59E+22 2.59E+21 Potential Energy U(r) 1.00E-14 2.00E-14 3.00E-14 4.00E-14 5.00E-14 6.00E-14 7.00E-14 8.00E-14 9.00E-14 1.00E-13 2.59E+22 1.30E+22 8.63E+21 6.48E+21 5.18E+21 4.32E+21 3.70E+21 3.24E+21 2.88E+
School: Bunker Hill
Course: College Physics2
2.998E+08 4.34E-07 4.05E-07 6.909E+14 7.408E+14 8.214E+14 9.594E+14 1.18264E+015 0.55 0.73 1.09 1.67 2.57 3.650E-07 3 2.5 3.13E-07 2.54E-07 f(x) = 4.13744849294624E-015x - 2.3149091806 R = 0.9997030076 2 Column B Linear Regression for Column B 1.5 1 0.5 0
School: Bunker Hill
Course: College Physics2
2.998E+08 4.05E-07 6.909E+14 7.408E+14 8.214E+14 9.594E+14 1.18264E+015 0.55 0.73 1.09 1.67 2.57 3.650E-07 3 2.5 Sto pping Po te ntial [e V] 4.34E-07 3.13E-07 2.54E-07 f(x) = 4.13744849294624E-015x - 2.3149091806 Planck's Constant R = 0.9997030076 5; 2.57
School: Bunker Hill
Course: College Physics2
Initial Voltage [v] 120 120 120 Percentage of initial potential after time contants RC [s] Time [s] V(t) [v] Potential Percentage at RC [%] 1 1 44.1 36.8 1 2 16.2 13.5 1 3 6.0 4.98 V(t) = V0(exp(-t/RC) Expected value [s] Trial Discharge 1 Charge 1 Dischar
School: Bunker Hill
Course: College Physics2
Diffraction Grating Lab Data Sheet N [lines/m] 6.00E+05 d = 1/N [m] 1.667E-06 L [m] 0.2500 y is the average distance D is the distance between diffraction grating and centimeter ruled d = 1/N is the grating spacing Element #2: Hydrogene Spectral Lines Pos
School: Bunker Hill
Course: College Physics2
Theoretical Expectations Distance OM [cm] Angle of image [] 5.40 40.1 Expericmental results Distance IM [cm] Angle of reflection [] 5.56 40.1 Error OM-IM %Error 0.16 3.0 First angles of reflection [] 40.1 40.1 Angle Error [] 0 Air to Glass 1.50 1 [] 2 []
School: Bunker Hill
Course: College Physics2
Data Table Part I - Speed of Sound Length of tube Temperature of the room Trial 1 2 3 4 5 Average Part II - Simple Waveforms Tuning Numbe of fork or cycles note 480 Hz 23 512 Hz 25 1.319 m 23 C Total travel time (s) 0.01216 0.01206 0.01402 0.01344 0.01022
School: Bunker Hill
Course: College Physics2
Current in Solenoid I (A) 0.4 0.8 1.2 1.6 M a g n e t i c F i e l d B [ T ] Magnetic Field B (T) 3.863E-05 9.476E-05 1.530E-04 2.134E-04 Length of solenoid [m] Number of turns Turns/m [m-1] 1.00 99 99.0 Magnetic Field vs The Current I 3.000E-04 2.000E-04
School: Bunker Hill
Course: College Physics2
Data Table Resistor Fit Parameters Trial Discharge 1 Charge 1 Discharge 2 Charge 2 A 2.191 3.049 3.458 4.384 1/C 15.20 15.89 2.23 2.05 RC (s) 15.00 15.00 1.919 1.919 B 0.1921 -0.1354 0.09801 -1.471 C 0.06579 0.06294 0.4493 0.4881 1/C 15.20 15.89 2.226 2.0
School: Bunker Hill
Course: College Physics2
Data Sheet Part I - Voltage-Current Relations of Single Elements Resistor R1 Labeled resistance = 10 Voltage [v] Current [A] 3.00 0.310 4.0 0.40 5.0 0.50 6.0 0.59 2.50 0.220 2.10 0.190 2.80 0.280 2.30 0.222 1.02 0.095 0.49 0.049 Light Bulb Voltage [v] 1.0
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 9 - Diffraction Grating Lab Date performed: 12/05/2011 Date submitted: 12/12/2011 Purpose The object of this experiment will be to use a diffraction grating to study the atomic spectra of
School: Bunker Hill
Course: College Physics2
Conclusion The purpose of this lab was to see the behavior of light under different circumstances. In Experiment 18, the mathematical calculation took place in which also we could appreciate the characteristics of an object being displacer closer or farth
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 6 Speed of Sound, Sound Waves, and Beats Date performed: 11/07/2011 Date submitted: 11/16/2011 Objectives Measure how long it takes sound to travel down and back in a long tube. Determin
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 5 The Magnetic Field in a Slinky Date performed: 10/24/2011 Date submitted: 10/31/2011 Objectives Determine the relationship between magnetic field and the current in a solenoid. Determi
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 4 RC Circuits Date performed: 10/17/2011 Date submitted: 10/24/2011 OBJECTIVES Measure an experimental time constant of a resistor-capacitor circuit. Compare the time constant to the va
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 3 Resistors in Circuits Date performed: 10/03/2011 Date submitted: 10/12/2011 Objectives: 1. To learn to use an ammeter and a voltmeter. 2. To study the characteristics of circuits with r
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 2 Ohms Law Date performed: 09/26/2011 Date submitted: 10/03/2011 Objective 1. Learn to use an ammeter and a voltmeter. 2. Measure the voltage-current characteristics of ohmic and non-ohmi
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 Lab 1 Electric Field Hockey G.T Field Date performed: 09/12/2011 Date submitted: 09/19/2011 Objective To apply and further develop your knowledge of electric charges, forces, fields, and field lines th
School: Bunker Hill
Course: General Physics
FORCES DEFINITIONS NEWTONSLAWS FORMULAS PROBLEMS DEFINITIONS Forceanypushorpullappliedtoanobject. Masstheamountofmaterialpresentinan object. Weightthegravitationalforceactingona mass. Normalforce(Fn)theforcethatpushes backwhenanobjectisonasurface. NetFor
School: Bunker Hill
Course: General Physics
MOMENTUM PROBLEMS Exercise 1: Auto companies frequently test the safety of automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent toward a cement wall with a speed of 14 m/s and the
School: Bunker Hill
Course: General Physics
FRICTION PROBLEMS 1. Brian is walking into Physics class but does not realize, Mary has split some of her Latte. As Brian is 42 kg, steps in the spill and starts to slide. If the coefficient of kinetic friction is 0.040, what is the force of friction betw
School: Bunker Hill
Course: General Physics
PHYSICS II /LAB PHY 202 SPRING 2009 This course is a continuation of Physics 201. Using a problem-solving approach the following topics will be covered: waves and sound; fluids; electricity. magnetism, electro- magnetic induction; light, optics; and moder
School: Bunker Hill
Course: General Physics
MODULE 1 HARMONIC MOTION and ELASTICITY OBJECTIVES: 1. Understand Harmonic motion in springs and pendulums. 2. Define elasticity. 3. Explain the relationship of stress and strain. 4. Determine the relationships of Force and Length changes in Youngs and Sh
School: Bunker Hill
Course: General Physics
MONTH MONDAY (B335) 19 NO CLASS TUESDAY (D316) 20 HARMONIC MOTION 27 Modulus Problems THURSDAY(B335) 22 LAB HARMONIC MOTION 29 LAB ELASTICITY JANUARY 27th LAST DAY TO ADD FEBRUARY 26 ELASTICITY 2 FLUIDS 3 FLUIDS 5 LAB FLUIDS 9 WAVES 10 WAVES SOUND 12 LAB
School: Bunker Hill
Course: General Physics
PROBLEMS FOR ROTATIONAL MOTION 1. A diver completes 3 1/2 somersaults 11.7 s. What is the average angular speed of the diver? 2. A CD has a playing time of 74 minutes. When the music starts, the CD is rotating at angular speed of 480 revolutions per minut
School: Bunker Hill
Course: General Physics
MOMENTUMANDIMPULSE TERMS: Momentumameasureofhowdifficultitistostopa movingobject. Internalforcesforceswhichactbetweentheobjectsof asystem. Externalforcesforcesthatactontheobjectsofa systemwhichcomefromtheoutside. Inelasticcollisionacollisioninwhichthetota
School: Bunker Hill
Course: General Physics
1. A displacement vector R in an xy plane is 20 m long @ an angle of 25 degrees. What are the x and y components? 2. The Steamboat Gesyer in Yellowstone National Park, capabale of shooting hot water from the ground at a speed of 48 m/s. How high does the
School: Bunker Hill
Course: General Physics
http:/physics.usask.ca/~pywell/p121/Tests.html#test1
School: Bunker Hill
Course: General Physics
1. Dx = 18.1 m Dy = 8.45 m 2. 115 m 3. 4.6 m/s ave speed 0.4 m/s^2 4. 90 m 5. 8.75 m/s 8.74 m/s^2 6. ~ 118 m -4.24 m/s^2 7. 7 m/s 8. 5.16 m/s 9. 4.76 degrees E of S 10. 3.07 s 11.858 m Dy
School: Bunker Hill
Course: General Physics
FORCE PROBLEMS 1. Felicia, the ballerina, has a mass of 45.0 kg. a. What is Felicias weight on the earth in terms of physics? b. What would Felicias weight be on Jupiter if the acceleration of gravity is 25 m/s2? 2. Butch the star quarterback of BHS, has
School: Bunker Hill
Course: College Physics
Quiz #6 (Friction; Work-KE theorem). Name_ PHY 251 1. A flat bed truck is carrying a 20 kg crate along a level road. The coefficient of static friction between the crate and the bed is 0.40. What is the maximum acceleration that the truck can have if the
School: Bunker Hill
Course: General Physics
1. A displacement vector R in an xy plane is 20 m long @ an angle of 25 degrees. What are the x and y components? 2. The Steamboat Gesyer in Yellowstone National Park, capabale of shooting hot water from the ground at a speed of 48 m/s. How high does the
School: Bunker Hill
Course: General Physics
http:/physics.usask.ca/~pywell/p121/Tests.html#test1
School: Bunker Hill
Course: General Physics
1. Dx = 18.1 m Dy = 8.45 m 2. 115 m 3. 4.6 m/s ave speed 0.4 m/s^2 4. 90 m 5. 8.75 m/s 8.74 m/s^2 6. ~ 118 m -4.24 m/s^2 7. 7 m/s 8. 5.16 m/s 9. 4.76 degrees E of S 10. 3.07 s 11.858 m Dy
School: Bunker Hill
Course: College Physics
Quiz #6 (Friction; Work-KE theorem). Name_ PHY 251 1. A flat bed truck is carrying a 20 kg crate along a level road. The coefficient of static friction between the crate and the bed is 0.40. What is the maximum acceleration that the truck can have if the
School: Bunker Hill
Course: General Physics
MOMENTUM PROBLEMS Exercise 1: Auto companies frequently test the safety of automobiles by putting them through crash tests to observe the integrity of the passenger compartment. If a 1000 kg car is sent toward a cement wall with a speed of 14 m/s and the
School: Bunker Hill
Course: General Physics
FORCE PROBLEMS 1. Felicia, the ballerina, has a mass of 45.0 kg. a. What is Felicias weight on the earth in terms of physics? b. What would Felicias weight be on Jupiter if the acceleration of gravity is 25 m/s2? 2. Butch the star quarterback of BHS, has
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College Parisa Sadjady College Physics II - 01 G.T Field Lab 7a Plane Reflection Lab Lab 7b Refraction Lab Date performed: 11/21/2011 Date submitted: 11/28/2011 Plane Reflection Lab Plane Reflection Lab Purpose: The object of this ex
School: Bunker Hill
Course: College Physics2
Diffraction Grating Lab Data Sheet N [lines/m] 6.00E+05 d = 1/N [m] 1.667E-06 L [m] 0.2500 y is the average distance D is the distance between diffraction grating and centimeter ruled d = 1/N is the grating spacing Element #2: Hydrogene Spectral Lines Pos
School: Bunker Hill
Course: College Physics2
Theoretical Expectations Distance OM [cm] Angle of image [] 5.40 40.1 Expericmental results Distance IM [cm] Angle of reflection [] 5.56 40.1 Error OM-IM %Error 0.16 3.0 First angles of reflection [] 40.1 40.1 Angle Error [] 0 Air to Glass 1.50 1 [] 2 []
School: Bunker Hill
Course: College Physics2
Data Table Part I - Speed of Sound Length of tube Temperature of the room Trial 1 2 3 4 5 Average Part II - Simple Waveforms Tuning Numbe of fork or cycles note 480 Hz 23 512 Hz 25 1.319 m 23 C Total travel time (s) 0.01216 0.01206 0.01402 0.01344 0.01022
School: Bunker Hill
Course: College Physics2
Current in Solenoid I (A) 0.4 0.8 1.2 1.6 M a g n e t i c F i e l d B [ T ] Magnetic Field B (T) 3.863E-05 9.476E-05 1.530E-04 2.134E-04 Length of solenoid [m] Number of turns Turns/m [m-1] 1.00 99 99.0 Magnetic Field vs The Current I 3.000E-04 2.000E-04
School: Bunker Hill
Course: College Physics2
Data Table Resistor Fit Parameters Trial Discharge 1 Charge 1 Discharge 2 Charge 2 A 2.191 3.049 3.458 4.384 1/C 15.20 15.89 2.23 2.05 RC (s) 15.00 15.00 1.919 1.919 B 0.1921 -0.1354 0.09801 -1.471 C 0.06579 0.06294 0.4493 0.4881 1/C 15.20 15.89 2.226 2.0
School: Bunker Hill
Course: College Physics2
Data Sheet Part I - Voltage-Current Relations of Single Elements Resistor R1 Labeled resistance = 10 Voltage [v] Current [A] 3.00 0.310 4.0 0.40 5.0 0.50 6.0 0.59 2.50 0.220 2.10 0.190 2.80 0.280 2.30 0.222 1.02 0.095 0.49 0.049 Light Bulb Voltage [v] 1.0
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 9 - Diffraction Grating Lab Date performed: 12/05/2011 Date submitted: 12/12/2011 Purpose The object of this experiment will be to use a diffraction grating to study the atomic spectra of
School: Bunker Hill
Course: College Physics2
Conclusion The purpose of this lab was to see the behavior of light under different circumstances. In Experiment 18, the mathematical calculation took place in which also we could appreciate the characteristics of an object being displacer closer or farth
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 6 Speed of Sound, Sound Waves, and Beats Date performed: 11/07/2011 Date submitted: 11/16/2011 Objectives Measure how long it takes sound to travel down and back in a long tube. Determin
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 5 The Magnetic Field in a Slinky Date performed: 10/24/2011 Date submitted: 10/31/2011 Objectives Determine the relationship between magnetic field and the current in a solenoid. Determi
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 4 RC Circuits Date performed: 10/17/2011 Date submitted: 10/24/2011 OBJECTIVES Measure an experimental time constant of a resistor-capacitor circuit. Compare the time constant to the va
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 3 Resistors in Circuits Date performed: 10/03/2011 Date submitted: 10/12/2011 Objectives: 1. To learn to use an ammeter and a voltmeter. 2. To study the characteristics of circuits with r
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 G.T Field Lab 2 Ohms Law Date performed: 09/26/2011 Date submitted: 10/03/2011 Objective 1. Learn to use an ammeter and a voltmeter. 2. Measure the voltage-current characteristics of ohmic and non-ohmi
School: Bunker Hill
Course: College Physics2
Bunker Hill Community College College Physics II - 01 Lab 1 Electric Field Hockey G.T Field Date performed: 09/12/2011 Date submitted: 09/19/2011 Objective To apply and further develop your knowledge of electric charges, forces, fields, and field lines th
School: Bunker Hill
Course: General Physics
PHYSICS II /LAB PHY 202 SPRING 2009 This course is a continuation of Physics 201. Using a problem-solving approach the following topics will be covered: waves and sound; fluids; electricity. magnetism, electro- magnetic induction; light, optics; and moder