2. A proton travels to the west at 3 m/s. The Earth's magnetic field is directed to the north and has a magnitude of about 5 x 10-5 T. What is the direction of the magnetic force on the proton? a) Upward (towards the sky) b) Downward (towards the Earth) c) East d) North
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- 8. An electron is moving through a magnetic field in a direction perpendicular to the field as shown below. The charge is moving with a speed of v = 3.5 × 105 and it experiences a force of F = - S 1.79 × 10-13 N. What is the magnitude and direction of the magnetic field? The charge of an electron is qe= = -1.6 × 10-19 C. v2 FA negatively charged chlorine ion (CI) in seawater is floating slowly through the ocean, headed east. The particle experiences a magnetic force due to the earth's magnetic field. This force points in which direction? a. north b. south c. east d. east e. towards the center of the earth f. towards outer space8. A charge is moving at an angle of 30° relative to the direction of a magnetic field and experiences a magnetic force of 3.0 x 103 N. If this same charge were to move at the same velocity perpendicular to the same magnetic field what magnetic force will act on it? FL = qvB sint
- 5At New York City, the earth's magnetic field has a vertical component of 5.20 × 10-5 T that points downward (perpendicular to the ground) and a horizontal component of 1.80 × 10-5 T that points toward geographic north (parallel to the ground). What is the magnitude of the magnetic force on a 7.14-m long, straight wire that carries a current of 46.8 A perpendicularly into the ground? Number UnitsQuestion An electron moving with a speed of 2.7 x 105 m/s in the negative y direction experiences zero magnetic force. When it moves in the negative x direction, it experiences a force of 6.2 x 10-¹2 N that points in the positive z direction. What are the direction and magnitude of the magnetic field? You may specify the direction of the magnetic field either with unit vectors; x-hat, y-hat, or z-hat (i, j, k is fine too); or by drawing a vector in the coordinate system drawn below. 14