A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two successive loops, at point P and Q, the radii are 10.0mm and 8.5 mm,respectively.Calculate the change

20,892 results
  1. math

    a proton in a magnetic field follows a path on a coordinate grid modeled by the function f(x) = x^4-2x^2-15. what are the x-coordnates of the points on the grid where the proton crosses the x-axis?

  2. Physics

    Proton move in a circle of radius 3.10 cm in a 0.566T magnetic field.What value of electric field could make their path straight

  3. Physics

    A 39-turn circular coil of radius 3.20 cm and resistance 1.00 Ω is placed in a magnetic field directed perpendicular to the plane of the coil. The magnitude of the magnetic field varies in time according to the expression B = 0.010 0t + 0.040 0t2, where B

  4. physics

    A proton with a speed of 3.5 × 10 6 m/s is shot into a region between two plates that are separated by a distance of 0.23 m. As indicated in the figure, a magnetic field exists between the plates, and it is perpendicular to the velocity of the proton.

  5. PHYSICS

    The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. What is the radius of the circular arc

  6. physics

    A uniform magnetic field points North; its magnitude is 1.5 T. A proton with kinetic energy 8.0x10–13 J (5.0 MeV) is moving vertically downward in this field. What is the magnetic force acting on it? I have no idea where to start with this question, can

  7. 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

  8. Physics

    A proton moves perpendicularly to a magnetic field that has a magnitude of 6.48 ´ 10^-2 T. A magnetic force of 7.16 ´ 10^-14 N is acting on it. If the proton moves a total distance of 0.500 m in the magnetic field, how long does it take for the proton to

  9. Physics

    A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.32 T. The field is then adjusted so that an electron will follow a circular path of the same radius when it is projected perpendicularly into the field with the same

  10. physics

    At a certain location on the Earth, the horizontal component of the Earth’s magnetic field is 2.5 ·10−5 T due North. A proton moves eastward with just the right speed for the magnetic force on it to balance its weight so the net force on the proton

  11. physics

    A proton moves perpendicularly to a magnetic field that has a magnitude of 1.22×10−2 T. The charge on a proton is 1.60×10−19 C. What is the speed of the particle if the magnitude of the magnetic force on it is 4.79× 10−14N? Answer in units of m/s

  12. Physics URGENT!!!

    At a certain location, the horizontal component of the earth's magnetic field is 2.5 x 10^-5 T, due north. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. Find the speed of the proton.

  13. Physics

    A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic field points north and has a magnitude of 5.2 × 10−5 T? The acceleration of

  14. Physics

    1.)A proton moving with speed v enters a narrow (1.0 cm wide) region of magnetic field perpendicular to the direction of the proton's motion. As a result, the proton acquires a small component of speed perpendicular to its original direction of motion.

  15. Physics

    A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular path?

  16. physics

    Find the value of the magnetic field necessary to cause a proton moving at a speed of 2.50 ×10^3 m/s to go into a circular orbit of 15.5-cm radius. An electron has an energy of 100 eV as it enters a magnetic field of 3.50 × 10−2 T. Find the radius of

  17. physics (Right Hand Rule Question)

    A proton traveling due east in a region that contains only a magnetic field experiences a vertically upward force away from the surface of the earth. What is the direction of the magnetic field? a)North b)East c)South d)West e)Down I know I need to use the

  18. 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

  19. Physics

    A proton is traveling at 2.3E6 m/s in a circular path in 0.75 T magnetic field. What is the magnitude of the force of the proton?

  20. physics

    Indicate true or false in each of the following statements: 1. A static magnetic field can do work on a current carrying wire when the current in the wire is perpendicular to the field. 2. The time required for a charged particle to complete one cycle of a

  21. magnets

    A proton with a velocity of 2.0 x 10^7 m/s in the horizontal (+x) direction enters a region of uniform magnetic field that is 1 meter wide and points out of the page with a magnitude of 0.05 Tesla. At what angle below the x-axis, in degrees, does the

  22. physics

    A proton travels with a speed of 3.39×106 m/s at an angle of 56.8 ◦ with a magnetic field of 0.305 T pointed in the y direction. The charge of proton is 1.60218 × 10−19 C. What is the magnitude of the magnetic force on the proton? Answer in units of

  23. PHYSICS

    The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. (a) What is the direction and magnitude

  24. Physics

    A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the

  25. physics

    A 42 mT magnetic field points due west. If a proton of kinetic energy 9x10E-12 J enters this field in an upward direction, find the magnetic force acting on the proton in magnitude and direction. What magnetic force would an electron experience due to

  26. Physics

    A proton is accelerated from rest through a 5.70-V potential difference. (a) What is the proton's speed after it has been accelerated? (b) What is the maximum magnetic field that this proton produces at a point that is 4.00 m from the proton? (Enter the

  27. Physics

    A proton and an electron have the same kinetic energy upon entering a region of constant magnetic field. What is the ratio of the radii of their circular path?

  28. Physics

    At a certain location, the horizontal component of the earth's magnetic field is 2.3 x 10^-5 T, due north. A proton moves eastward with just the right speed, so that the magnetic force on it balances its weight. Find the speed of the proton.

  29. physics

    Assume the proton is at rest initially. The charge on the proton is 1.602×10−19 C and its mass is 1.67 × 10−27 kg. If the magnetic field is 2.85 T and the potential difference is 2.29 MV, find the magnitude of the force on the proton after the

  30. PHYSICS

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  31. Math

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  32. Physics

    A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200

  33. Physics

    In a certain cyclotron a proton moves in a circle of radius 0.5m. The magnitude of the magnetic field is 1.2T. a) What is the oscillator frequency? b) What is the final kinetic energy of the proton?

  34. Physics

    If a proton in a proton beam experiences a downward force of 2.0X10-14N while traveling in a magnetic field of 8.3X10-2T west, what is the velocity?

  35. Physics

    An á-particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.16 106 V and then enters a uniform magnetic field whose magnitude is 3.00 T. The á-particle moves

  36. Physics

    An -particle has a charge of +2e and a mass of 6.64 10-27 kg. It is accelerated from rest through a potential difference that has a value of 1.10 106 V and then enters a uniform magnetic field whose magnitude is 3.10 T. The -particle moves perpendicular to

  37. physics

    A moving proton with a speed of 0.3 m/s experiences a force of 1.5*10^-20N, when it enters at a right angle to the direction of the magnetic field. What is the magnitude of the magnetic field? Choose one answer. a. 0.3 Tesla b. 0.5 Tesla c. 0.9 Tesla d.

  38. Physics

    A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two successive loops, at point P and Q, the radii are 10.0mm and 8.5 mm,respectively.Calculate the change in Kinetic energy of the

  39. Physics

    A proton follows a spiral path througha gas in a magnetic field of .010 T , perpendicular to the plane of the spiral.In two successive loops, at point P and Q, the radii are 10.0mm and 8.5 mm,respectively.Calculate the change in Kinetic energy of the

  40. physics

    The solar wind is a thin, hot gas given off by the sun. Charged particles in this gas enter the magnetic field of the earth and can experience a magnetic force. Suppose a charged particle traveling with a speed of 9.80 x 10^6 m/s encounters the earth's

  41. Physics

    2 queations: 1) a proton enters a magnetic feild at a right angle to the field. an alpja particle enters the same field at the same angle but with twice the speed. once in the magnetic field both particles move in a circular path. the raito of radius of

  42. Physics

    Assume that Earth’s magnetic field is every- where perpendicular to the path of a proton and that Earth’s magnetic field has an inten- sity of 4.10 × 10−8 T. What speed would a proton need to achieve in order to circle Earth 1170.0 km above the

  43. 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

  44. 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

  45. 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

  46. Physics 3

    A 2.3-keV proton is moving horizontally and passes perpendicular to the Earth’s magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force

  47. Physics 3

    A 2.3-keV proton is moving horizontally and passes perpendicular to the Earth’s magnetic field at a location where the field magnitude is 52.0 T. i) Determine the magnetic force on the proton? ii) Find the ratio of this force to the gravitation force

  48. physics

    1.A proton enters a 2.0 X 10^-2 T magnetic field with a speed of 5.8 X 10^4 m/s. What is the radius of the circular path it follows? formula?? 2.Electrons moving at 3.5 X 10^4 m/s pass through an electric field with an intensity of 5.6 X 10^3 N/C. How

  49. physics

    above the earth, a 500nT magnetic field captures particles coming from the sun. If a proton moving at 600km/s runs into this magnetic field, what is the radius of motion of the proton? and also how long does it take the proton to travel in one circle?

  50. physics

    Moving fast proton of 4x106 m / s through a 1.7 T magnetic field experiences a force 8x10-13N magnetic. What is the angle between the velocity vector associated with the proton and the magnetic field?

  51. physics

    In a cloud chamber experiment, a proton enters a uniform 0.260 magnetic field directed perpendicular to its motion. You measure the proton's path on a photograph and find that it follows a circular arc of radius 6.38 . How fast was the proton moving?

  52. Physics

    A proton moves eastward in the plane of Earth’s magnetic equator so that its distance from the ground remains constant. What is the speed of the proton if Earth’s magnetic field points north and has a magnitude of 5.2 × 10−5 T? The acceleration of

  53. physics

    A proton travels to the east at 3.5*10⁶ m/s as it enters a region of uniform magnetic field. The magnitude of the magnetic field is 0.15 T and its direction is 30° north of east. Find the magnitude of the force on the proton at the moment it enters the

  54. Physics

    A charged particle moves into a region of uniform magnetic field B, goes through half a circle, and then exits that region. The particle is either a proton or an electron (you must decide which). It spends 155 ns in the region. a) What is the magnitude of

  55. physics

    A straight horizontal wire carries a current of 3.55 μA. A proton is moving above the wire in a direction parallel to it but opposite to the direction of the conventional current in the wire, at a constant velocity of 8.00×106 m/s. Assume that the force

  56. charley

    tinyurl--qwxgbv (The qwxgbv is after the slash) The proton moves through a magnetic field of magnitude 3x10^-5 T with a velocity of 4x10^5 m/s. Find the radius of the circular path the proton follows and indicate its direction of rotation.

  57. Physics 2

    A 42 mT magnetic field points due west. If a proton of kinetic energy 9x10E-12 J enters this field in an upward direction, find the magnetic force acting on the proton in magnitude and direction.

  58. Physics

    A proton travelling 1.5x10^6 m/s enters 2 vertically charged parallel plates held 0.15m apart. The top plate is held at +250V and the bottom is grounded (0V). A magnetic field can be applied to the area between the plates to counteract the electric force

  59. physics

    A 160 MeV proton, moving in the x-direction, enters a region in which there is a magnetic field. The proton experiences an acceleration of 5.5 X 10^12 m/s^2 in the y-direction. What can you say about the magnetic field?

  60. Physics

    A particular magnetic field points west. A proton moved from north to south. What direction is th magnetic force on the proton? Up,down,east or northwest

  61. Physics

    A particular magnetic field points west. A proton moved from north to south. What direction is th magnetic force on the proton? Up,down,east or northwest

  62. physics

    A proton travels at a speed of 2.0..*.10Ò meters/second. Its velocity is at right angles with a magnetic field of strength 5.5..*.10ȳ tesla. What is the magnitude of the magnetic force on the proton?

  63. Physics

    a proton moves in a circle in a uniform magnetic field of 1T, pointing into the page. Its speed is 1.5 x 10 ^5 m/s. What is the radius of its path?

  64. Physics

    3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a

  65. magnetism

    A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

  66. physics-can anyone solve this please

    3. A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a

  67. magnetism help

    A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

  68. physics

    A proton with a kinetic energy of 5.00E-16 J moves perpendicular to a magnetic field of 0.289 T. What is the radius of its circular path?

  69. electromagnets

    1.A proton travels at 4 x 10^6 m/s in a direction that is at an angle of 60 degrees to a magnetic field of 0.5 T. What is the magnitude of the force on the proton in Newtons? 2.What is the acceleration of the proton?

  70. physics

    a proton moves in a circle in a uniform magnetic field of 1T, pointing into the page. Its speed is 1.5 x 10 ^5 m/s. What is the radius of its path? B q v = m v^2/r --------> r = m v/(B q) M=(1.67 * 10-27 ) V= (1.5 * 10^ 5) Q= (1T) B= (1.6 * 10-19 ) is this

  71. physics numerical

    an electron moving with the speed of 1067 m/s is passed into a magnetic field of intensity 0.1T normally.what is the radius of the path of the electron inside the field? if the strength of the magnetic field is doubled, what is the new radius of the path?

  72. physics

    The mass of an atom can be determined by ionizing it and accelerating it through a known electric field followed by a known magnetic field. The ion’s circular path is then measured. Calculate the mass of a chlorine anion of charge 3.20 × 10−19 C if it

  73. Magnetic effect

    A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

  74. PHYSICS

    The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s What is the radius of the circular arc

  75. Physics

    A proton accelerates through a particle accelerator, with a final speed of 8.0 x 10^6 m/s. It experiences a magnetic field of 3.0T that is produced by steering magnets inside the accelerator. What is the number of the magnetic force pulling on the proton?

  76. Physics

    If a proton is moving in a magnetic field with a speed of 4 × 106m/s and is executing uniform circular motion with a radius of 10 cm, what is the magnetic field?

  77. physics

    proton and electron enters in magnetic field at an angle 30 degree .find the radius and time period in terms of magnetic field

  78. Magnets

    A positive helium ion He+ is released from rest at the surface of a +1000 V flat electrode. It travels in the +x-direction (in vacuum) across a 1 mm gap, passes through a small hole in a +0 V electrode that is parallel to the first one, and enters a region

  79. physics, science

    if proton is fired from west is moved to north by magnetic field what is direction of magnetic field

  80. Physics

    A proton moving with a speed of 200 m/s enters perpendicular to the direction of the magnetic field and experiences a force of 2x10^-18N. What is the magnitude of the magnetic field? any help is reallya appreciated

  81. college physics

    A proton moving in a magnetic field experiences a magnetic force of 17 N at 26o at one instant in time. At the same instant in time, an electron moving with the same speed experiences the same magnetic field. Compare the magnetic force experienced by the

  82. Physics

    A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200

  83. Physics pls help

    A proton is moving in a circular orbit of radius 11.8 cm in a uniform magnetic field of magnitude 0.232 T directed perpendicular to the velocity of the proton. Find the orbital speed of the proton. Answer in units of m/s. I came up with .118/2.83x10^-7 and

  84. magnetism

    In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free

  85. eletromagnets

    In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free

  86. physics

    In earlier learning sequences we described how a static magnetic field cannot change the speed (and therefore kinetic energy) of a free charged particle. A changing magnetic field can, and this is one way particle beams are accelerated. Consider free

  87. Physics

    a uniform magnetic field equal to 4 T is in the +Z direction. find the force exrted by the field on a proton if the velocity of the proton is 7km/s in the i direction

  88. Physics

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  89. PHYSICS

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  90. PHYSICS

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  91. PHYSICS

    1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T 2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the

  92. Physics

    A proton experiences a force of 4 Newton when it enters perpendicular to the direction of the magnetic field with a speed 100 m/s. What is the force experienced by the proton if it enters parallel to the direction of the magnetic field with a speed of 200

  93. physical

    A proton resistor spring system in a magnetic field going out of the page has a mass of proton 1.67*10^-27 kg, a spring constant k=500 N/m and the resistor has r=5Ω. The magnetic field strength is 0.8T. a) When released from rest, calculate the maximum

  94. physics

    A proton resistor spring system in a magnetic field going out of the page has a mass of proton 1.67*10^-27 kg, a spring constant k=500 N/m and the resistor has r=5Ω. The magnetic field strength is 0.8T. a) When released from rest, calculate the maximum

  95. physics

    A proton moves at right angles to a magnetic field of 0.0609 T with a speed of 8.16×10 6 m/s. Find the magnitude of the acceleration of the proton. Answer in units of m/s 2

  96. science

    An electron of mass 9.11 × 10-31 kg and charge 1.6 × 10-19 C passes through a cathode ray tube with a velocity of 3.7 × 107 m/s. It enters a magnetic field of flux density 0.47 mT at a right angle. What is the radius of curvature of the path in the

  97. physics

    A proton moves in a circular path perpendicular to a constant magnetuc field. If the field strengrh of the magnet is increased, does the diameter of the circular path incresse, decrease, or remain the same?

  98. Physics

    A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron? Thanks for helping me out

  99. Physics

    A proton and an electron enter perpendicular to the direction of the magnetic field. The speed of the proton is twice the speed of the electron. What is the ratio of the force experienced by the proton to the electron? 1:2 1:3 2:1 3:1 I would think A, but

  100. Physics

    I just want to know the direction for this question. I use the right hand rule and it shows the magnetic field is going into the page but that is not the answer neither is to the left or right. The answer could be any of these choices up, down, out of the

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