1. Science 2

    Which of these is NOT typical of a condensing protostar? A.magnetic fields producing polar flows B.dusty disks around their equators C.Herbig-Haro objects projecting a light year out in space D.fusion of helium into carbon in their cores E.more infrared

    asked by Liz on November 7, 2006
  2. Science 5

    Rotation of the protostar helps generate the magnetic fields and bipolar flows. True False Since this is not my area of expertise, I searched Google under the key words "protostar rotation magnetic" to get these possible sources:

    asked by Liz on November 21, 2006
  3. Physics 2

    List and explain briefly five magnetic devices found in the popular culture Are stationary charges affected be a magnetic field? What determines the direction of the magnetic force on a moving charge? What is the cause of all magnetic fields?

    asked by seanmarch58 on July 28, 2014
  4. SCIENCE - HELP PLEASE!

    Some materials are magnetic because... A. their protons are magnetic B. their atoms behave like magnets C. they have magnetic fields around them D. they have a north pole (I think it's C.)

    asked by Fifilafoop on May 23, 2013
  5. physics

    Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve

    asked by lauren on March 13, 2010
  6. Current/Magnetic force

    A high voltage power line carries a current of 110 A at a location where the Earth's magnetic fields has a magnitude of 5.9 x 10^-4 T and points north at an angle of72 degrees below the horizontal (toward the earth surface). Find the direction and

    asked by Matt on April 5, 2012
  7. Physics

    Remember the Poynting vector? The magnitude of this vector gives the amount of energy per second that flows through a unit area (in the direction it gives) because of the presence of a combination of electric and magnetic field, like in an electro-magnetic

    asked by Ryan on October 14, 2015
  8. Physics

    Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve

    asked by mm. on March 15, 2010
  9. Physics

    Gold ions (Au+) are accelerate to high speeds using electric fields. These ions are then passed through a region where uniform electric E and magnetic B fields are present. If the ions are traveling to the right, which configuration of E and B will serve

    asked by Sandra on March 13, 2010
  10. Physics!!

    An electromagnetic wave is produced by: A. an accelerating charged particle or changing magnetic fields B. an accelerating uncharged particle and changing magnetic fields C. a stationary charged particle and a magnetic field D. any moving particle and a

    asked by sophie on April 12, 2009
  11. physics

    A beam of electrons enters a pair of croseed electric and magnetic fields in which the electric field strenght of 3.0*104 V m^-1 and magnetic flux density of 1*10^-2 T. If the beam is not deflected from its path by the fields, what must be the speed of the

    asked by Anonymous on February 25, 2009
  12. college-physics

    In a particular region of space, the magnetic and electric fields have energy densities of 0.2 J/m3 and 4 J/m3 , respectively. Calculate the strength of the magnetic and electric fields in this region.

    asked by Joe on April 26, 2010
  13. Physical Science

    ____________ Magnetic fields create changing elctric fields and vice versa

    asked by Cortesha on December 14, 2011
  14. physics

    A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the

    asked by Sandhya on May 15, 2011
  15. physics

    A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the

    asked by Sandhya on May 14, 2011
  16. physics-Electric & magnetic fields

    A proton traveling at 10^4 m/s in the positive x-direction, enters a region where there is uniform electric field of magnitude 10 v/m and a uniform magnetic field of magnitude 10^-2 T. The electric and magnetic fields are parallel and are in the

    asked by Sandhya on May 15, 2011
  17. MS office Acess 2007

    Determining Table Fields Which should not be included as fields in a table? Choose all that apply. A - Small fields B - Region fields C - Yes/No fields D - Calculated data E - Numbered fields F - Separate name fields

    asked by sha on October 25, 2010
  18. Physics

    1.How can you easily increase the magnetic field strength inside a current-carrying coil? 2.What is a magnetic domain? What is the difference between an ordinary iron nail and a permanent magnet? How does the idea of magnetic fields arising from

    asked by Will on November 2, 2007
  19. Physics

    In designing a velocity selector that uses uniform perpendicular electric and magnetic fields, you want to select positive ions of charge +5e that are traveling perpendicular to the fields at 8.75 km/s. The magnetic field availabe to you has a magnitude of

    asked by J on February 18, 2008
  20. Physics

    A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

    asked by Please help! on March 22, 2017
  21. Physics

    A square-shaped loop carries current I. What is the magnitude and the direction of the magnetic field at point P, which is located on the bottom segment of the loop? Each side of the square loop has length d. The answer should be given in terms of d, I,

    asked by Alice on March 22, 2017
  22. chemistry

    Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct???? No one has answered this question yet.

    asked by nadira on March 5, 2013
  23. CHEMISTRY

    Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar polar Nonpolar nonpolar polar Nonpolar are my answers correct????

    asked by nidscorection on March 5, 2013
  24. physics 30

    An electron that has a distance of 10.0 cm , is accelerated from rest through a potential difference of 4.50 kV before it enters a region between perpendicular elecric and magnetic fields. The electron moves into a region between positively charged plate

    asked by sarah on March 21, 2012
  25. bio (plasma membrane)

    I understand that the plasma membrane is composed of a polar head and non polar tail. I read in my textbook that small non-polar molecules readily pass through and that polar and non-polar repel. so how do non-polar substance pass the the polar head?

    asked by lou on February 19, 2011
  26. physics

    Two vertical parallel conductors X and Y are 0.12m apart and carry currents of 2A and 4A respectively in a downward direction. Draw the resultant flux pattern between X and Y. ignoring the earth's magnetic field, find the distance from X of a point where

    asked by poppy👌🤔 on May 3, 2019
  27. CHEMISTRY

    Determine if it is polar or non-polar molecule: C3H6O C2H5OH SiCl4 NH3 CO2 C3H8 H2O N2 My ans are: Polar Polar Polar Nonpolar polar Nonpolar are my answers correct????

    asked by nidscorection on March 5, 2013
  28. physics

    A high-voltage power line carries a current of 120 A at a location where the Earth's magnetic field has a magnitude of 0.577 G and points to the north, 70.8° below the horizontal. Calculate the magnitude of the magnetic force exerted on a 258 m length of

    asked by VJC on October 11, 2010
  29. physics

    A typical magnitude of the external magnetic field in a cardiac catheter ablation procedure using remote magnetic navigation is B = 0.080 T. Suppose that the permanent magnet in the catheter used in the procedure is inside the left atrium of the heart and

    asked by Sam on March 23, 2017
  30. Chem

    Is a C-H bond polar or non-polar? Is a C-Cl bond polar or non-polar? I have different sources giving me different ranges. One says that anything with an electronegetivity of 0.5 or less is non-polar and I have anothre source saying anything 0.3 and less is

    asked by Lena on July 8, 2009
  31. physics help please

    Considerable scientific work is currently underway to determine whether weak oscillating magnetic fields such as those found near outdoor power lines can affect human health. One study indicated that a magnetic field of magnitude 1.0 10-3 T, oscillating at

    asked by Chris Adison on March 31, 2008
  32. Physics

    The equation describing the (r, \theta ) coordinates of points along a single field line of a magnetic dipole is r=R_0 \sin ^2(\theta ) where \theta =0 is in the direction of the dipole moment and R_0 is a constant which is different for each field line.

    asked by Phy on April 6, 2013
  33. physics

    Solar material has a density of about 3*10^-4kg/m^3,and the amount of matter released in a typical CME is around 1*10^15kg. Assuming mu solar material is mu_0, estimate the strength of the magnetic field at the suns surface during typical CME

    asked by unknown on July 20, 2016
  34. Physics

    A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields.

    asked by Mary on September 27, 2007
  35. physics

    A magnetic field has a magnitude of 1.20 10-3 T, and an electric field has a magnitude of 5.50 103 N/C. Both fields point in the same direction. A positive 1.8-µC charge moves at a speed of 2.60 106 m/s in a direction that is perpendicular to both fields.

    asked by aml on February 8, 2011
  36. physics induced voltage

    I was given an equation by bobpursey but I don't know what it means. Considerable scientific work is currently underway to determine whether weak oscillating magnetic fields such as those found near outdoor power lines can affect human health. One study

    asked by Chris Adison on March 30, 2008
  37. physics

    The key ingredient in anything magnetic is which of the following?. A) moving electric charge.B) magnetic domains that are aligned C) pairs of magnetic poles.D) the surrounding magnetic field.E) magnetic polarization.

    asked by Christy on April 14, 2012
  38. Chemistry

    can you please tell me if I have the correct molecule type PO4 3- polar SO3 polar NO2- polar BrCl polar

    asked by Dory on June 2, 2014
  39. Physics repost

    A magnetic field has a magnitude of 1.2 10-3 T, and an electric field has a magnitude of 5.9 103 N/C. Both fields point in the same direction. A positive 1.8 µC charge moves at a speed of 2.9 106 m/s in a direction that is perpendicular to both fields.

    asked by Mary on September 29, 2007
  40. annie

    You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission wire is about 11m above the ground. The local power company tells you that the line operates at 13kV and provide a maximum of

    asked by physics help on December 14, 2009
  41. science

    Describe magnetic fields in your own words pleas help me i need it to pass 6 th grade

    asked by Nathan on March 20, 2019
  42. electricity and magnetism

    A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque

    asked by Jason on November 22, 2013
  43. magentism

    6.A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? b. What is the magnitude of the

    asked by anton on November 19, 2013
  44. magnetism

    A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque

    asked by James on November 20, 2013
  45. electromagnets

    A current of 20 mA flows in a single circular loop with a radius of 2 meters. A uniform magnetic field of 1.2 T points parallel to the plane of the loop. What is the magnitude of the magnetic moment of the loop in A-m^2? What is the magnitude of the torque

    asked by Anton help needed on November 20, 2013
  46. Physics-E&M

    8.1 Collision? A permanent magnet creates a homogenous magnetic field B~ inside a rectangular region. The magnet is moving with a velocity ~v ⊥ B~ . A particle at rest with mass m and charge Q is on the path of the magnet. Assume that the magnet has a

    asked by Ryan on October 19, 2015
  47. Chemistry

    Are all/most organic compounds non polar? Not all, certainly. Many are non-polar. Most, I don't know. It all depends upon how you define most. Acids, acid chlorides, amines, phenols, ketones, aldehydes, and the like are polar. There are a bunch of those

    asked by Gabriela on April 26, 2007
  48. Physics

    How does the idea of magnetic fields arising from circulating currents relate to permanent magnets?

    asked by Lauren on November 10, 2009
  49. Physics

    How does the idea of magnetic fields arising from circulating currents relate to permanent magnets?

    asked by Onox on November 3, 2007
  50. Physics

    How does the idea of magnetic fields arising from circulating currents relate to permanent magnets?

    asked by Soly on October 28, 2007
  51. Science

    Electromagnetic waves are ___ electric and magnetic fields. A. transverse B. constant C. oscillating D. parallel

    asked by Liz on May 15, 2019
  52. english

    what means typical and typical person? http://www.onelook.com/?w=*&loc=revfp2&clue=typical+person Typical person is an artificial concept of a person who has the average qualities of people as a whole. However, nobody is a typical person. We all have

    asked by neeta on December 8, 2006
  53. Economics

    Suppose Honda's total cost of producing 4 cars is $225,000 and its total cost of producing 5 cars is $250,000 a)What is the average total cost of producing 5 cars b)What is the marginal cost of the fifth car? c)Draw the marginal cost curve and the average

    asked by Malima on August 13, 2014
  54. About previous Physics post/answer from Bobpursely

    So do you mean to say....Ferris wheels use motors, therefore meaning that electrical energy is present. Electrical energy from the motor is then turned into kinetic energy. Electricity, generated from a switch and wires, travel through the motor which

    asked by Serena on October 29, 2007
  55. Physics

    Consider the current-carrying wires in the figure. I can try to describe the figure here.. - Diagram A has the wire coming from the left, it forms a loop in the centre in a clockwise direction and leaves going to the right. - Diagram B has the wire also

    asked by Sandra on March 20, 2010
  56. electromagnetism

    #6 (6 points possible) The demonstration in LS6.U5 uses a Helmholtz coil, which is a pair of wire coils along a common axis that creates a somewhat uniform magnetic field at the center. To achieve a uniform field, the coil separation is equal to the coil

    asked by JuanPro on April 14, 2015
  57. Physics/Cyberforensics

    Alright, so in my workplace I'm analyzing an iOS backup and I have different fields on a database. This are: MagneticX, MagneticY, MagneticZ, BiasX, BiasY, BiasZ, Level, Magnitude, Inclination, MagnitudeStd, InclinationStd. In the following picture you can

    asked by AEC on March 15, 2018
  58. physics

    1) You plan to build a large, cheap cyclotron using the Earth's magnetic fields(1x10^-4 T) and orbiting just above the Earth's atmosphere (radius 5.7 x10 ^6 m) What energy, in volts, should protons be given to just circle the earth? q= 1.6 x10^-19 C, m=

    asked by Sandhya on April 8, 2008
  59. Orgnic chemistry

    Some molecules w/ non polar bonds like C-S and C-I when exposed to a highly polar environment may assume polarity -Due to vacant d orbitals of S (i don't get this. So if it has a lot of vacant orbitals it will be polar?) -big atomic radius of I (please

    asked by jane on July 10, 2015
  60. Chemistry- polarity

    Is 2,4-Hexadiyne-1,6-diol a polar or non-polar compound? I think it is non-polar, based on the the high retention factor (0.89) I got from the TLC.

    asked by Sally on May 1, 2016
  61. Physics

    Please help me with these choose the best answers since I'm not sure of my answers. A current element produces a magnetic field in the region surrounding it. at any point in space, the magnetic field produced by this current element points in a direction

    asked by Jessica on October 23, 2011
  62. Physics

    Please help me with these choose the best answers since I'm not sure of my answers. A current element produces a magnetic field in the region surrounding it. at any point in space, the magnetic field produced by this current element points in a direction

    asked by Jessica on October 23, 2011
  63. college chemistry

    If i have a highly polar mobile phase, what will happen to the non-polar or less polar compounds during chromatography? will they move less up the TLC plate or actually even more because the mobile phase itself is so polar.

    asked by Anonymous on February 12, 2013
  64. SIMPLE physics!!!!!!

    A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no

    asked by HELP ME...uRGENT! on April 18, 2013
  65. Science

    Why are x-rays uneffected my electric and magnetic fields. Please help me to understand this. I think that x-rays are unefected because each has a different wavelength of radiation. These different wavelengths cause no effect.

    asked by Sam on April 20, 2012
  66. Physics

    In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms. What is the current during the strike?

    asked by Anthony on February 17, 2010
  67. Biology

    A typical organism that might occupy a forest in the southwestern United States is a a. Cactus b. grizzly bear c. parrot d. polar bear

    asked by David on February 20, 2014
  68. kw university

    You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission wire is about 11 above the ground. The local power company tells you that the line operates at 16 and provide a maximum of 83 to

    asked by mma on May 20, 2012
  69. chem

    choose the compound below that contains at least one polar covalent bond, but is nonpolar a. ICl3 b SeBr4 c. CF4 d. HCN Im stuck between C and D C is a tetrahedral which has no net dipole so is non polar, and D is linear which also makes it non polar.

    asked by natash on May 1, 2008
  70. Physics

    In a lightning bolt, a large amount of charge flows during a time of 2.2 10-3 s. Assume that the bolt can be treated as a long, straight line of current. At a perpendicular distance of 28 m from the bolt, a magnetic field of 7.3 10-5 T is measured. How

    asked by Anonymous on March 20, 2014
  71. electronics technician

    19. In a solenoid, where is the magnetic field strongest? A. Outside the coil C. At the north pole B. Inside the coil D. At the south pole 20. What is a typical coil voltage for a low-voltage relay circuit? A. 2 VDC C. 12 VDC B. 5 VDC D. 120 VDC 21.

    asked by mompati on June 18, 2013
  72. physics- answers check

    5. A magnetic field map shows a. the direction of the magnetic field. b. a few representational field lines. c. relative strength of the magnetic field. d. All of these choices are correct. my answer: d 6. Magnetic field lines a. can cross each other when

    asked by Liz on May 10, 2014
  73. Educational Technology

    Data cannot be sorted of filtered accurately if there are (fill in the blank) A. Even numbers B. Only data fields C. Blank fields or records D. Only catagory fields Is the answr D? Thank you

    asked by Callie on November 18, 2014
  74. Physics

    A long straight horizontal segment of wire with 0.060 m traverses a west magnetic field with 2.0 T. If a south current with 4.0 A flows through the wire, which one of the following statements concerning the effect of the magnetic force on the wire is true.

    asked by Katie on November 14, 2010
  75. physics

    Use the Biot Savart law to compute the magnetic field at the center of a metallic ring. the ring has a radius of 10^-6 m and is connected to two infinite wires. the current in the wires is 1 amp. the ring is lying in the [x,y,z= 0 ] plane. the first wire

    asked by karan on May 21, 2013
  76. Physics (urgent please)

    Two parallel wires are carrying 5A and are separated by 2.0 m. if the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them? Someone please help as I can't figure out the question. Thanks, They are asking for

    asked by James P. on June 20, 2007
  77. Physics :(( help please TT

    A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no

    asked by OIan on April 16, 2013
  78. physics

    A neutral solid conducting cylinder rotates about its axis with angular speed 1600 rad/s. In addition, there is an external magnetic field of induction B directed along the cylinder's axis. What must the magnitude of the magnetic field in Teslas so that no

    asked by help on April 21, 2013
  79. Chemistry

    Which of the following statements is (or are) true? I. All polar molecules have dipole moments. II. All polar molecules have oppositely charged regions. III. A polar molecule is attracted to other molecules because of electrostatic forces. IV. All polar

    asked by Cortney on March 18, 2015
  80. Physics

    A circular conducting coil with radius 3.40 cm is placed in a uniform magnetic field of 1.090 T with the plane of the coil perpendicular to the magnetic field. The coil is rotated 180° about the axis in 0.222 s. (a) What is the average induced emf in the

    asked by Alyssa on February 17, 2013
  81. physics

    1.The earth is constantly bombarded by cosmic rays, which are charged particles from outer space. moving vertically Find the force on one such cosmic ray− a proton that is instantaneously downward at 5.04 107 m/s at a point outside the atmosphere over

    asked by Sandhya on February 23, 2010
  82. Science

    What is a protostar

    asked by Coleson on September 11, 2014
  83. Science

    what is an electromagnetic wave comprised of? Electromagnetic waves consist of electric and magnetic fields in which each kind of field generates the other to keep the structure propagating through empty space at the speed of light.

    asked by Brooke on November 28, 2006
  84. Chemistry

    I would like to make sure these answers are correct, the question is what kind of molecule are the following H2 nonpolar HBr polar BrCl polar NH3 polar CCl4 nonpolar

    asked by Dory on June 2, 2014
  85. CHEM

    Which statement best describes the polarity of SF_4Cl_2?? (or: SF4Cl2, if that helps more) 1. Always polar. 2. Always nonpolar. 3. Depending on the arrangement of outer atoms, this molecule could be polar or nonpolar. & how can you tell for certain??? I

    asked by K on November 26, 2007
  86. Physical Science

    Consider the current-carrying wires in the figure. Both cases consist of long straight wires carrying a current I. In both cases, the wire is also bent in the shape of a circular loop of radius R. The only difference is in how the bending of the wire is

    asked by Stephanie on March 19, 2010
  87. Chemistry

    If the gas chromatograph is polar, and a mixture of a polar compound and a non-polar compound is injected. Which one of the two compounds will have a higher retention time? Why?

    asked by Ella on April 3, 2012
  88. calculus

    a farmer has a 2040 ft of fencing and wishes to fence off two separate fields. one of the fields is to be a rectangle with the length twise as long os the width. while the other field is to be square. determine the dimension of the fields if the farmer

    asked by robert on November 17, 2011
  89. Physics

    A wire is bent into the shape of an planar Archimedean spiral which in polar coordinates is described by the equation r=bθ. The spiral has N=100 turns and outer radius R=10 cm (R is the distance from point O to point T). Note that in the figure below we

    asked by Steven on July 29, 2013
  90. chemistry

    what is the difference between polar bonds and polar molecules. i know a polar bond is a bond between two dipoles? what are polar molecules? wouldnt it be the same?

    asked by tran on September 21, 2009
  91. physics- answers check

    1. For a bar magnet, the magnetic field lines point a. towards the South pole. b. towards the North pole. c. always towards the magnet. d. always away from the magnet. my answer: a 2. Magnetic field lines a. are straight lines. b. are always circles. c.

    asked by Liz on May 10, 2014
  92. college physics

    A current of 2.7 A flows in a straight wire segment of length (2.5 cm) ˆı + (2.5 cm) ˆ in a uniform magnetic field of strength (1.7 T) ˆı . Find the magnitude of the force on the wire.

    asked by essence on June 21, 2010
  93. Physics

    A 5.0 amp current flows through a 0.20m long solenoid with 1500 loops What are the magnitude and direction of the magnetic field at the centre of the solenoid?

    asked by Sandara on February 2, 2015
  94. Physics

    1)An electromagnetic wave is produced by: an accelerating charged particle or changing magnetic fields. 2)Find the period of an electromagnetic wave of wavelength 2.20 x 10^-2 m. 3.00 x 10^8 * 2.20 x 10^-2 = 6.60 x 10^6 s

    asked by Jon on April 11, 2008
  95. College Physics II

    An electric field of 2.04 kV/m and a magnetic field of 0.548 T act on a moving electron to produce no net force. If the fields are perpendicular to each other, what is the electron's speed?

    asked by jim on March 22, 2011
  96. yfoyfoy

    A phenomenon where a magnetic material temporarily acquires magnetic properties when a magnet is brought near it, is called magnetic induction. This method is generally used to make temporary magnets. The magnetic properties of the substance disappear the

    asked by Anonymous on September 26, 2017
  97. physics

    The electrons in a beam are moving at 2.8 × 108 m/s in an electric field of 17000 N/C. What value must the magnetic field have if the electrons pass through the crossed fields undeflected? Answer in units of µT

    asked by Anonymous on March 5, 2013
  98. Chris

    Where is energy stored in electromagnetic waves? A. In the wave’s moving atoms B. In the oscillating electric and magnetic fields C. In the electromagnetic force D. In the wave’s directional vector

    asked by Science on May 15, 2019
  99. Physics

    An electron is at rest. Can this electron be set into motion by applying a) a magnetic field? b) an electric field? Explain your answers. I know that that one of the fields can only be caused by movement, but I don't remember which one...

    asked by Susan on April 27, 2009
  100. Nautical Studies

    I am aware a magnetic compass is useless for navigational purposes in the region of the magnetic north pole. How far away from the magnetic north pole do you need to be before the magnetic compass will function effectively? Depending on the answer does

    asked by Mike on October 28, 2007