Inside a cathode ray tube, an electron is in the presence of a uniform electric field with a magnitude of 285 N/C. a) What is the magnitude of the acceleration of the electron (in m/s2)? b) The electron is initially at rest. What is its speed (in m/s) after 1.25 ✕ 10−8 s?

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A proton enters a region containing a uniform electric field of magnitude 1.02 x 104 N/C, as shown. The entrance velocity is 3.0 x 10° m/s at an angle of 60 degrees with respect to the x axis. At the entrance point, x = 0, and y = 0. y to 60 a) Sketch on the figure, the trajectory (path) of proton as it moves through the region containing the electric field. b) Calculate the acceleration of the proton. Hint: Neglect the effect of gravity. c) Find the time at which proton intersects with the x axis. d) Find the horizontal distance from the origin at the point when the proton crosses the x-axis. e) Find the maximum vertical height (above x axis) attained by the proton.

Inside a vacuum tube, an electron is in the presence of a uniform electric field with a magnitude of 310 N/C. (a) What is the magnitude of the acceleration of the electron (in m/s²)? 5.14e13 X How is the electric force related to the electric field? How is the acceleration related to the force? What m/s² -9 (b) The electron is initially at rest. What is its speed (in m/s) after 8.50 x 10 s? m/s

3. A particle (q = 3.0 µC, m = 10 g) has a speed of 40 m/s when it enters a region where the electric field that has a constant magnitude of 100 N/C and the direction of the velocity with the electric field is 30 degree . What is the speed of the particle 5 s after it enters this region?

A small object of mass 3.54 g and charge −19.3 ?C is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. What are the magnitude and direction of the electric field? magnitude   direction

Inside a vacuum tube, an electron is in the presence of a uniform electric field with a magnitude of 320 N/C. (a). What is the magnitude of the acceleration of the electron (in m/s2)?   m/s2     ?? (b). The electron is initially at rest. What is its speed (in m/s) after 1.15 ✕ 10−8 s? m/s ?