Introduction to SAT II Physics - FreeExamPapers

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4. . A piano tuner has a tuning fork that sounds with a frequency of 250 Hz. The tuner strikes the fork and plays a key that sounds with a frequency of 200 Hz. What is the frequency of the beats that the piano tuner hears? (A) 0 Hz (B) 0.8 Hz (C) 1.25 Hz (D) 50 Hz (E) 450 Hz 5. . How is the lowest resonant frequency, , for a tube with one closed end related to the lowest resonant frequency, (A) , for a tube with no closed ends? (B) (C) (D) (E) 286
6. . Two pulses travel along a string toward each other, as depicted above. Which of the following diagrams represents the pulses on the string at a later time? (A) (B) (C) (D) (E) 7. . What should a piano tuner do to correct the sound of a string that is flat, that is, it plays at a lower pitch than it should? (A) Tighten the string to make the fundamental frequency higher (B) Tighten the string to make the fundamental frequency lower (C) Loosen the string to make the fundamental frequency higher (D) Loosen the string to make the fundamental frequency lower (E) Find a harmonic closer to the desired pitch Questions 8 and 9 refer to a police car with its siren on, traveling at a velocity toward a person standing on a street corner. As the car approaches, the person hears the sound at a frequency of . Take the speed of sound to be v. 287
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SATII PHYSICS (FROM SPARKNOTES.COM)
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The Good • Because SAT II Subject
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Which SAT II Subject Tests to Take
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After grumbling, however, you still
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Waves 15-19% 11-15 Waves 10% 7-8 Op
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negative, so E, and not A, is the c
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including them anyway because it’
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Two positively charged particles, o
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will a visual representation reliev
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Physics Hint 6: Be Flexible Knowing
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There are a number of ways to label
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Adding Parallel Vectors If the vect
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The result of multiplying A by c is
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neither parallel nor perpendicular.
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Suppose the hands on a clock are ve
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Vector Addition Practice Questions
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2. A The vector 2A has a magnitude
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path, Alan has traveled a much grea
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school student called Andrea. Andre
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centimeters to the left of its star
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We can learn two things about the a
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Acceleration vs. Time Graphs After
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The variable represents the object
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Note that there are certain conveni
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1. . An athlete runs four laps of a
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10. . A woman runs 40 m to the nort
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We know the total distance the spri
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Principles of Natural Philosophy. I
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The component form of Newton’s Se
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e in the direction. And since the s
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which reflects its resistance to be
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In the diagram above, the weight an
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A student pushes a box that weighs
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1. . Each of the figures below show
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7. . In the figure above, a person
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Since the block is motionless, the
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When we are told that a person push
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EXAMPLE A water balloon of mass m i
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The graph above plots the force exe
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Though energy is always measured in
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there is a negative amount of work
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smallest. The answer to question 3
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Mechanical Energy Average Power Ins
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to a height of 8 m over a time of 4
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8. C When the book reaches the pers
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determining what those right number
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the ground. The system is initially
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calculators, you almost certainly w
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and minimize M.” With such a ques
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2. WHAT IS THE ACCELERATION OF THE
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Adding these two equations together
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force of friction: . Using Newton
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m, placed on a frictionless surface
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Frequency is given in units of cycl
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of the spring due to the gravitatio
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The oscillation of a pendulum is mu
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Velocity Calculating the velocity o
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Practice Questions 1. . Two masses,
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7. . An object of mass 3 kg is atta
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Since the system is in equilibrium,
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velocity, v. Linear momentum is den
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Conservation of Momentum If we comb
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As we might expect, the final veloc
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A pool player hits the eight ball,
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two-dimensional collision is effect
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For a System of Two Particles For a
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At the front end of the boat, the f
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4. . A scattering experiment is don
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1. B The athlete imparts a certain
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7. E Momentum is conserved in this
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The diver’s translational motion
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30 π/6 45 π/4 60 π/3 90 π/2 180
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elative position to one another. As
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acceleration given its angular velo
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To find the direction of a rigid bo
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A student exerts a force of 50 N on
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The torque that produces the angula
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The masses in the figure above are
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an object sliding down a frictionle
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Velocity Average Angular Accelerati
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3. . What is the direction of the a
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1. D An object that experiences 120
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At the top of the incline, the disk
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from a Latin word meaning “center
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Newton’s Law of Universal Gravita
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when you are beneath the surface of
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EXAMPLE A satellite of mass is laun
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Kepler’s Laws After poring over t
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Practice Questions Questions 1-3 re
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8. . A satellite orbits the Earth a
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Circumference and radius are relate
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learn how heat is transferred from
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heat, like rubber, have a high spec
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Just as specific heat tells us how
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Conduction is the transfer of heat
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Effectively, this equation tells us
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the way that it does. The Laws of T
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There are a number of equivalent fo
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If we know our formulas, this probl
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5. . An ideal gas is enclosed in a
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Asphalt, like most materials, has a
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The things we call atoms today are
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If they come up on SAT II Physics,
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will move in the opposite direction
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Work The work done to move a charge
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Much like gravitational potential e
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3. . A particle of charge +2q exert
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7. . A particle of charge +q is a d
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The vector sum of the three vectors
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Voltage The batteries we use in fla
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This equation tells us that we can
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If the two variables you know are a
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However, each resistor causes a vol
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So = 4 . WHAT IS THE CURRENT RUNNIN
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Consider again the circuit whose to
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This circuit consists of resistors
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The junction rule deals with “jun
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Page 237 and 238: capacitance is halved. The proporti
Page 239 and 240: The Greek letter is called the diel
Page 241 and 242: 4. . Two resistors, and , are ident
Page 243 and 244: 10. . A dielectric is inserted into
Page 245 and 246: The equivalent capacitance of two c
Page 247 and 248: The Earth itself acts like a huge b
Page 249 and 250: Because the velocity vector and the
Page 251 and 252: A particle with a positive charge o
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Page 255 and 256: 1. . The pointer on a compass is th
Page 257 and 258: 7. . A positively charged particle
Page 259 and 260: 1. B To solve this problem, it is h
Page 261 and 262: If the particle is to move at a con
Page 263 and 264: flowing in the counterclockwise dir
Page 265 and 266: Next, let’s calculate the flux th
Page 267 and 268: Remember that field lines come out
Page 269 and 270: Magnetic Flux Faraday’s Law / Len
Page 271 and 272: 5. . A wire carrying 5.0 V is appli
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Page 275 and 276: Ernst attaches a stretched string t
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Page 279 and 280: other. The principle of superpositi
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Page 283 and 284: The Doppler Effect So far we have o
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Page 295 and 296: The phenomenon of refraction result
Page 297 and 298: Since we know that the ratio of / i
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Page 301 and 302: You can test all this yourself with
Page 303 and 304: Because is a positive number, we kn
Page 305 and 306: As the diagram shows us, and as the
Page 307 and 308: At any point P on the back screen,
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Page 311 and 312: One of the more common ways of test
Page 313 and 314: 3. . When the orange light passes f
Page 315 and 316: 9. . Sound waves do not exhibit pol
Page 317 and 318: 7. E Only concave mirrors and conve
Page 319 and 320: For people who believed that light
Page 321 and 322: What does this all mean? Time is re
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Page 325 and 326: Rutherford’s Gold Foil Experiment
Page 327 and 328: The Wave Theory of Electromagnetic
Page 329 and 330: The Problem with Rutherford’s Mod
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Page 333 and 334: A hydrogen atom is energized so tha
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electrons have mass, it is so negli
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chapters on mechanics are the resul
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You won’t need to calculate the n
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Photoelectro n Radius of Electron O
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5. . An electron is accelerated thr
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according to the formula , where l
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In radioactive substances, the numb
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A scale for measuring temperature,
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The points of maximum displacement
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Electromagnetic spectrum The spectr
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The amount of time it takes for one
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Given the period, T, and semimajor
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The substance that is displaced as
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A back-and-forth movement about an
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Refracted ray Refraction Restoring
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T Tail Tangent A body or set of bod
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Weber Weight The force involved in
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pinpointing what you need to study
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If you got a question wrong because
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