PHYS 252
Bethel VA - PHYS 252
  • Bethel VA
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  • 14 Pages ch32
    Ch32

    School: Bethel VA

    CHAPTER Maxwell's Equations and Electromagnetic Waves 32 1* A parallel-plate capacitor in air has circular plates of radius 2.3 cm separated by 1.1 mm. Charge is flowing onto the upper plate and off the lower plate at a rate of 5 A. (a) Find the t

  • 20 Pages ch24
    Ch24

    School: Bethel VA

    CHAPTER 24 Electric Potential 1* A uniform electric field of 2 kN/C is in the x direction. A positive point charge Q = 3 C is released from rest at the origin. (a) What is the potential difference V(4 m) V(0)? (b) What is the change in the pot

  • 29 Pages ch26
    Ch26

    School: Bethel VA

    CHAPTER 26 Electric Current and Direct-Current Circuits 1* In our study of electrostatics, we concluded that there is no electric field within a conductor in electrostatic equilibrium. How is it that we can now discuss electric fields inside a co

  • 16 Pages ch28
    Ch28

    School: Bethel VA

    CHAPTER The Magnetic Field 28 1* When a cathode-ray tube is placed horizontally in a magnetic field that is directed vertically upward, the electrons emitted from the cathode follow one of the dashed paths to the face of the tube in Figure 28-30.

  • 19 Pages ch30
    Ch30

    School: Bethel VA

    CHAPTER Magnetic Induction 30 1* A uniform magnetic field of magnitude 2000 G is parallel to the x axis. A square coil of side 5 cm has a single turn and makes an angle ? with the z axis as shown in Figure 30-28. Find the magnetic flux through the

  • 31 Pages ch34
    Ch34

    School: Bethel VA

    CHAPTER Optical Images 34 1* Can a virtual image be photographed? Yes. Note that a virtual image is "seen" because the eye focuses the diverging rays to form a real image on the retina. Similarly, the camera lens can focus the diverging rays onto

  • 21 Pages ch39
    Ch39

    School: Bethel VA

    CHAPTER 39 Relativity 1* You are standing on a corner and a friend is driving past in an automobile. Both of you note the times when the car passes two different intersections and determine from your watch readings the time that elapses between t

  • 16 Pages ch13
    Ch13

    School: Bethel VA

    CHAPTER 13 Fluids 1* A copper cylinder is 6 cm long and has a radius of 2 cm. Find its mass. Find the volume, then m = V V = r2h = 75.4 10-6 m3; m = 8.93 103V = 0.673 kg 2 Find the mass of a lead sphere of radius 2 cm. Find the volume, then

  • 7 Pages ch41
    Ch41

    School: Bethel VA

    CHAPTER 41 Elementary Particles and the Beginning of the Universe 1* How are baryons and mesons similar? How are they different? Similarities: Baryons and mesons are hadrons, i.e., they participate in strong interaction. Both are composed of quar

  • 21 Pages ch22
    Ch22

    School: Bethel VA

    CHAPTER 22 The Electric Field I: Discrete Charge Distributions 1* If the sign convention for charge were changed so that the charge on the electron were positive and the charge on the proton were negative, would Coulomb's law still be written the

  • 18 Pages ch20
    Ch20

    School: Bethel VA

    CHAPTER 20 The Second Law of Thermodynamics 1* Where does the energy come from in an internal-combustion engine? In a steam engine? Internal combustion engine: From the heat of combustion (see Problems 19-106 to 19-109). Steam engine: From the bu

  • 31 Pages ch02
    Ch02

    School: Bethel VA

    CHAPTER 2 Motion in One Dimension 1* What is the approximate average velocity of the race cars during the Indianapolis 500? Since the cars go around a closed circuit and return nearly to the starting point, the displacement is nearly zero, and

  • 20 Pages ch04
    Ch04

    School: Bethel VA

    CHAPTER 4 Newton's Laws Note: For all problems we shall take the upward direction as positive unless otherwise stated. 1* 2 How can you tell if a particular reference frame is an inertial reference frame? Suppose you find that an object in a par

  • 18 Pages ch06
    Ch06

    School: Bethel VA

    CHAPTER 6 Work and Energy 1* True or false: (a) Only the net force acting on an object can do work. (b) No work is done on a particle that remains at rest. (c) A force that is always perpendicular to the velocity of a particle never does work on

  • 26 Pages ch08
    Ch08

    School: Bethel VA

    CHAPTER 8 Systems of Particles and Conservation of Momentum 1* Give an example of a three-dimensional object that has no mass at its center of mass. A hollow sphere. 2 Three point masses of 2 kg each are located on the x axis at the origin, x =

  • 18 Pages ch10
    Ch10

    School: Bethel VA

    CHAPTER 10 Conservation of Angular Momentum 1* True or false: (a) If two vectors are parallel, their cross product must be zero. (b) When a disk rotates about its symmetry axis, is along the axis. (c) The torque exerted by a force is always perp

  • 24 Pages ch12
    Ch12

    School: Bethel VA

    CHAPTER 12 Static Equilibrium and Elasticity 1* True or false: (a) F = 0 is sufficient for static equilibrium to exist. (b) F = 0 is necessary for static equilibrium to exist. (c) In static equilibrium, the net torque about any point is zero. (

  • 24 Pages ch15
    Ch15

    School: Bethel VA

    CHAPTER 15 Wave Motion 1* A rope hangs vertically from the ceiling. Do waves on the rope move faster, slower, or at the same speed as they move from bottom to top? Explain. They move faster as they move up because the tension increases due to the

  • 14 Pages ch18
    Ch18

    School: Bethel VA

    CHAPTER 18 Temperature and the Kinetic Theory of Gases 1* True or false: (a) Two objects in thermal equilibrium with each other must be in thermal equilibrium with a third object. (b) The Fahrenheit and Celsius temperature scales differ only in th

  • 11 Pages ch01
    Ch01

    School: Bethel VA

    CHAPTER 1 Systems of Measurement 1* Which of the following is not one of the fundamental physical quantities in the SI system? (a) mass (b) length (c) force (d) time (e) All of the above are fundamental physical quantities. (c) Force is not a f

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