Introduction to SAT II Physics - FreeExamPapers

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other. Interestingly, the fact that each wire exerts an opposite force on the other is further evidence of Newton’s Third Law. Key Formulas Magnetic Force on a Moving Charge Magnitude of the Magnetic Force on a Moving Charge Radius of the Circle Described by a Charged Particle Moving Perpendicula r to a Magnetic Field Magnetic Force on a Current Magnetic Field Created by a Current Practice Questions 254
1. . The pointer on a compass is the north pole of a small magnet. If a compass were placed next to a bar magnet, as shown above, in what direction would the pointer point? (A) (B) (C) (D) (E) 2. . A positively charged particle in a uniform magnetic field moves in a circular path in the clockwise direction, parallel to the plane of the page. In what direction do the magnetic field lines point? (A) Out of the page (B) Into the page (C) To the left (D) To the right (E) In a clockwise pattern parallel to the plane of the page 3. . What should one do to maximize the magnitude of the magnetic force acting on a charged particle moving in a magnetic field? I. Maximize the strength of the magnetic field II. Minimize the particle’s velocity III. Ensure that the particle is moving in the same direction as the magnetic field lines (A) I only (B) I and II only (C) I and III only (D) II and III only (E) I, II, and III 255
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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
Page 203 and 204: The things we call atoms today are
Page 205 and 206: If they come up on SAT II Physics,
Page 207 and 208: will move in the opposite direction
Page 209 and 210: Work The work done to move a charge
Page 211 and 212: Much like gravitational potential e
Page 213 and 214: 3. . A particle of charge +2q exert
Page 215 and 216: 7. . A particle of charge +q is a d
Page 217 and 218: The vector sum of the three vectors
Page 219 and 220: Voltage The batteries we use in fla
Page 221 and 222: This equation tells us that we can
Page 223 and 224: If the two variables you know are a
Page 225 and 226: However, each resistor causes a vol
Page 227 and 228: So = 4 . WHAT IS THE CURRENT RUNNIN
Page 229 and 230: Consider again the circuit whose to
Page 231 and 232: This circuit consists of resistors
Page 233 and 234: The junction rule deals with “jun
Page 235 and 236: across the loop. We can express the
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 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
Page 273 and 274: In this equation, A is the amplitud
Page 275 and 276: Ernst attaches a stretched string t
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Page 279 and 280: other. The principle of superpositi
Page 281 and 282: Nodes The crests and troughs of a s
Page 283 and 284: The Doppler Effect So far we have o
Page 285 and 286: Practice Questions 1. . Which of th
Page 287 and 288: 6. . Two pulses travel along a stri
Page 289 and 290: 1. B Simple harmonic motion is defi
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Page 293 and 294: A higher frequency—and thus a sho
Page 295 and 296: The phenomenon of refraction result
Page 297 and 298: Since we know that the ratio of / i
Page 299 and 300: The four basic kinds of optical ins
Page 301 and 302: You can test all this yourself with
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As the diagram shows us, and as the
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At any point P on the back screen,
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Note that the pattern is brightest
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One of the more common ways of test
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3. . When the orange light passes f
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9. . Sound waves do not exhibit pol
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7. E Only concave mirrors and conve
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For people who believed that light
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What does this all mean? Time is re
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A spaceship flying toward the Earth
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Rutherford’s Gold Foil Experiment
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The Wave Theory of Electromagnetic
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The Problem with Rutherford’s Mod
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Don’t worry: you don’t need to
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A hydrogen atom is energized so tha
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where is the uncertainty in a parti
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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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