An electron is projected with an initial velocity
v0 = 8.4
× 10
7 m/s along the
y-axis, which is the centerline between a pair of charged plates, as shown in the figure. The plates are 1.0 m long and are separated by 0.10 m. A uniform electric field of magnitude E in the +x-direction is present between the plates. If the magnitude of the acceleration of the electron is measured to be
what is the magnitude of the electric field between the plates? (
e = 1.6 × 10
-19 C,
melectron = 9.11 × 10
-31 kg)
◦ 51,000 N/C
◦ 35,000 N/C
◦ 29,000 N/C
◦ 40,000 N/C
◦ 45,000 N/C