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Physics

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ap physics free response

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Advanced Placement Physics
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Advanced Placement Physics B
Advanced Placement Physics C: Electricity and Magnetism

AP? Physics C: Electricity and Magnetism 2010 Free-Response Questions The College Board The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the College Board is composed of more than 5,700 schools, colleges, universities and other educational organizations. Each year, the College Board serves seven million students and their parents, 23,000 high schools, and 3,800 colleges through major programs and services in college readiness, college admission, guidance, assessment, financial aid and enrollment. Among its widely recognized programs are the SAT?, the PSAT/NMSQT?, the Advanced Placement Program?

Sample AP Physics: B Test Questions

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Measurement
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Fundamental constants
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Speed of light
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Nanosecond
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Chapter 1: MEASUREMENT 1. The SI standard of time is based on: A. the daily rotation of the earth B. the frequency of light emitted by Kr86 C. the yearly revolution of the earth about the sun D. a precision pendulum clock E. none of these Ans: E 2. A nanosecond is: A. 109 s B. 10?9 s C. 10?10 s D. 10?10 s E. 10?12 Ans: B 3. The SI standard of length is based on: A. the distance from the north pole to the equator along a meridian passing through Paris B. wavelength of light emitted by Hg198 C. wavelength of light emitted by Kr86 D. a precision meter stick in Paris E. the speed of light Ans: E 4. In 1866, the U. S. Congress defined the U. S. yard as exactly 3600/3937 international meter. This was done primarily because:

Significan Figures Worksheet

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Arithmetic
Numerical analysis
Round-off error
Significant figures
Rounding

Name: Block: Significant Figures & Rounding 1. For each of the following, ? Underline the significant figures in the number. ? Write the uncertainty as ? the appropriate quantity. (a) 57,300? 100 ?? Sample problem with correct answer. (b) 13,500 (c) 26.0012 (d) 02452 (e) 0.000 000 025 (f) 320. (g) 6.0? 10?7 (h) 150.00 (i) 10 (j) 0.005 310 0 2. Round off each of the following numbers as indicated. (a) 13,500 to the nearest 1,000 (b) 26.0012 to the nearest 0.1 (c) 02452 to the nearest 10,000 (d) 0.000 025 to the nearest 0.000 01 (e) 320. to the nearest 10 (f) 6.0? 10?7 to the nearest 10?6 (g) 150.00 to the nearest 100 (h) 10 to the nearest 100 3. Solve the following math problems and express the answer to the correct number of significant

Metric Conversions Worksheet

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Mass
Orders of magnitude
Litre

Metric Conversions Worksheet 1. 0.75 kg to milligrams 2. 1500 millimeters to km 3. 2390 g to kg 4. 0.52 km to meters 5. 65 kg to g 6. 750 micrograms to g 7. 0.25 megameters to cm 8. 23.8 fg to kg 9. 2.77 kg to mg 10. 2.90 cm to terameters 11. 45.6 microliters to megaliters 12. 1.08 kg to ?g 13. 9.57 x 10?8 mm to nanometers 14. 2.00 L to mL 15. 35.28 mL to L
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AP serway notes chp 9

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Matter
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Phases of matter
Fluid dynamics
Nature
Condensed matter physics
Chemical engineering
State of matter
Liquid
Solid
Gas
Crystal

Chapter 9 Solids and Fluids States of Matter Solid Liquid Gas Plasma Solids Have definite volume Have definite shape Molecules are held in specific locations By electrical forces Vibrate about equilibrium positions Can be modeled as springs connecting molecules More About Solids External forces can be applied to the solid and compress the material In the model, the springs would be compressed When the force is removed, the solid returns to its original shape and size This property is called elasticity Crystalline Solid Atoms have an ordered structure This example is salt Gray spheres represent Na+ ions Green spheres represent Cl- ions Amorphous Solid Atoms are arranged almost randomly Examples include glass Liquid

Chapter 9 sol

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Mechanics
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Elasticity
Solid mechanics
Plasticity
Deformation
Yield
Stress
Wire rope
Technology

Chapter 9 Page 9.1 9 Solids and Fluids PROBLEM SOLUTIONS 9.1 The elastic limit is the maximum stress, F A where F is the tension in the wire, that the wire can withstand and still return to its original length when released. Thus, if the wire is to experience a tension equal to the weight of the performer without exceeding the elastic limit, the minimum cross-sectional area is 2minmin 4 D F mgA elastic limit elastic limit ?? ? ? and the minimum acceptable diameter is ? ? ? ? ? ? ? ? 2 3min 8 4 70 kg 9.8 m s4 1.3 10 m 1.3 mm5.0 10 Pa mgD elastic limit? ? ?? ? ? ? ?? 9.2 (a) In order to punch a hole in the steel plate, the superhero must punch out a plug with cross- sectional area, csA , equal to that of his fist and

INT SCI physics review/basic unit study guide

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Science Study Guide Metric Prefixes: Deka da ten Deci d tenth Hecto h hundred Centi c hundredth Kilo k thousand Milli m thousandth Mega M million Micro ? millionth Giga G billion Nano n billionth Tera T trillion Pico p trillionth Difference between theory and hypothesis: A scientific theory is a hypothesis that has been tested and proven Scientific method: a method used in gaining, organizing, and applying new knowledge Recognize a problem Make an educated guess (hypothesis) about the answer Predict the consequences of the hypothesis Perform experiments to test it Make conclusions Experimental Components: Independent variable: part of the experiment that is purposely manipulated

Physics the doppler effect

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Wave mechanics
Waves
Physics
Relativity
Doppler effect
Special relativity
Doppler radar
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Chapter 4.5/A2 The Doppler Effect Thursday, January 24, 2013 6:20 PM ? Formulas & Theorems Covered Today: Frequency Formula Moving Source Toward: Fo= Fs/ 1- (vs /c) Away: Fo= Fs/ 1+ (vs /c) Moving Observer Toward: Fo= Fs* [1+ (vo /c)] Away: Fo= Fs* [1- (vo /c)] Wavelength Formula Moving Source ?o = ?s (1 - (vs/c)) Moving Observer Example Questions: Sound wave f= 300Hz is emitted towards approaching car (moving observer towards). Wave is reflected back f2= 315Hz (moving source towards). V of the car? ? ? v= 8.29 m/s ? A train with siren of 500Hz is moving at a constant speed of 8.0 m/s. What f does observer hear? ? Calculate the train f moving towards and away and that is the range of frequency that the observer will hear. ?

Work and Power

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Introductory physics
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Work
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Work and Power Scientific Work Energy can be transferred into or out of a system by work Work: a measure of energy transferred into or out of a system by a force (F) acting over a distance(d) Work needs 3 key ingredients: force, displacement, and cause Work is only done when force acts upon an object to cause a displacement of the object Work is only done when components of a force are parallel to the object?s displacement Examples: a teacher applying a force to a wall becomes exhausted NOT WORK no displacement A book falls off a table and free falls to the ground NOT WORK no force to cause displacement a rocket accelerates through space WORK A force causes a displacement

Physics Multiple Choice Practice

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Physics
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physics fun gravity

#14 AP MC Quiz Key DYNAMICS/CIRC. MOTION/GRAVITY 1. A hypothetical planet orbits a star with mass one-half the mass of our sun. The planet?s orbital radius is the same as the Earth?s. Approximately how many Earth years does it take for the planet to complete one orbit? A)1 2? B) 1 ?2? C) D) ?2 E) 2. An object shown in the accompanying figure moves in uniform circular motion. Which arrow best depicts the net force acting on the object at the instant shown? A. A B. B C. C D. D E. E 3. The ?reaction? force does not cancel the ?action? force because: A. The action force is greater than the reaction force. B. The action force is less than the reaction force. C. They act on different bodies. D. They are in the same direction.

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