(a) An electron moves through a uniform electric field E = (2.801 + 5.80J) V/m and a uniform magnetic field B = 0.400k T. Determine the acceleration of the electron when it has a velocity v = 9.01 m/s. (Give each component in m/s².) 4.39e11 x Can the magnetic force have a component parallel to the velocity? m/s² ay = -3.86e11 ✔m/s² ✓ m/s² ܕܘ (b) What If? For the electron moving along the x-axis in the fields in part (a), what speed (in m/s) would result in the electron also experiencing an acceleration directed along the x-axis? m/s

Calculate the magnitude of the force on an electron moving at (8.0x10^0)×106 m/s at an angle of (2.890x10^0) degrees to a magnetic field of (5.62x10^-1) Tesla. Give your answer in Newtons to 2 s.f.

(a) A velocity selector consists of electric and magnetic fields described by the expressions E = Ek and B = Bj, with B = 24.0 mT. Find the value of E (in kV/m) such that a 780 eV electron moving in the negative x-direction is undeflected. 3.97e24 How do you determine the speed of the electron if you know its kinetic energy? kV/m (b) What If? For the value of E found in part (a), what would the kinetic energy of a proton have to be (in MeV) for it to move undeflected in the negative x-direction? MeV

If an electron that’s entering a magnetic field B=2.0 with a velocity of V =2.0x10^7 m/s parallel to B experiences a magnetic force F b= ????

A charged particle moves through a velocity selector at constant velocity. The velocity selector is configured with "crossed" electric and magnetic fields of magnitude E = 1.50 x 104 N/C and B = 0.4 T. %3D Hint a. What is the velocity of the charged particle? Velocity of the charged particle is x 104 m/s. b. When the electric field is turned off, the charged particle travels in a circular path of radius 6 mm, as it travels through the magnetic field (still at B = 0.4 T). What is the mass-to-charge ratio of the particle? Hint for (b) Mass-to-charge ratio of the part is kg/C. (Use the "E" notation to enter your answer in scientific notation. For example, to enter 3.14 × 10´ 12".) - 12 enter "3.14E-

(unrealistic) E/M Forces 6. A particle of charge q = 0.25C and mass m = 1.0kg is moving with a velocity of v = (2,0,0)m/s. The (8,8,8)N/C and a magnetic field of B = (0,0, –2)T. charged particle finds itself in an electric field of E What will be the initial vector acceleration of the particle?

A wire arrying 18 amps in the z direction through a magnetic field with an x component of 0.19 T, a y component of 0.21 T, and a z component of 2.9 T.  What is the magnitude of the force on a 9 meter segment of wire?  answer in N.

An electron ( me = 9.11x1031 kg. q=1.6x10-91 C) moves in a circular path perpendicular to a uniform magnetic field with a magnitude of 7.3 mT. If the speed of the electron is 1.50 x107 m/s, determine the radius of the circular path ( in units of cm). Select one: A. 0.62 B. 1.17 С. 1.72 D. 1.44 E. 0.04