9) Current i flows in a wire that is oriented in the direction 31 + 4j'. The wire is in a magnetic field that has a direction of 5j + 12k. Find the direction of the force on the wire and express it in i,j, k', notation.
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- An alpha particle ( Helium nucleus) having a mass of 4 protons is shot into a magnetic field of 0.2 T at right angles to the field and moves in a circle of radius 20 cm. Find a) the momentum of the alpha particle b) its velocity c) kinetic energy.4. Please refer again to the diagram. This time we have a charge of 3.86 x 10^-6 C moving at velocity 7.00 x 10^5 m/s through a magnetic field of strength 1.28 T and an electric field of strength 8.92 x 10^5 N/C. What is the magnitude of the total force on this charge? 0.02 N 0.01 N 0.03 N 0.03 NConsider a magnetic force acting on an electric charge in a uniform magnetic field. Which of the following statements are true? a) A magnetic force is exerted on a stationary electric charge in a uniform magnetic field. b) The direction of the magnetic force acting on a moving charge in a magnetic field is perpendicular to the direction of the magnetic field. c) A magnetic force is exerted on an electric charge moving through a uniform magnetic field. d) An electric charge moving parallel to a magnetic field experiences a magnetic force. e) The direction of the magnetic force acting on a moving electric charge in a magnetic field is perpendicular to the direction of motion. f) An electric charge moving perpendicular to a magnetic field experiences a magnetic force.
- Part 2) A proton moving with a speed 3.84 × 10° m/s through a 2.99 T magnetic field experiences a force of magnitude 1.59 x 10-12 N. (Mass of the proton = 1.673 × 10¬27 kg, charge 1.602 × 10-19 C). What is the angle between the proton's velocity and the magnetic field? Part 3) What is the proton's acceleration? a = m/s?29. At an instant in time, an electron has velocity, v = 100i - 300j + 200k km/s while it is in a magnetic field, B = 2i - 3j + 4k T. Find the acceleration of the electron at this instant. Use the vector table below to show any important vectors. Show only numerical results in the table. (m = 9.109 X 10" kg, q = -i.6 X 10'1º C) Vector i kWhat is the angle between a wire carrying an 8.4 -A current and the 1.2 -T field surrounding the wire if a portion the wire, length 53 cm, experiences a magnetic force of 2.45 N? Things to Prepare: Draw a sketch of the wire and magnetic field labeling the angle between the current and the field. Angle, 0: