a. In an electron microscope, there is an electron gun that contains two charged metallic plates 3.10 cm apart. An electric force accelerates each electron in the beam from rest to 8.30% of the speed of light over this distance. (Ignore the effects of relativity in your calculations.) i. Determine the kinetic energy of the electron as it leaves the electron gun. Electrons carry this energy to a phosphorescent viewing screen where the microscope's image is formed, making it glow. ii. For an electron passing between the plates in the electron gun, determine the magnitude of the constant electric force acting on the electron. iii. Determine the acceleration of the electron. iv. Determine the time interval the electron spends between the plates. b. A 0.26-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.2 m. What is the change in gravitational potential energy of the system from release to reaching the bottom of the well?
a. In an electron microscope, there is an electron gun that contains two charged metallic plates 3.10 cm apart. An electric force accelerates each electron in the beam from rest to 8.30% of the
i. Determine the kinetic energy of the electron as it leaves the electron gun. Electrons carry this energy to a phosphorescent viewing screen where the microscope's image is formed, making it glow.
ii. For an electron passing between the plates in the electron gun, determine the magnitude of the constant electric force acting on the electron.
iii. Determine the acceleration of the electron.
iv. Determine the time interval the electron spends between the plates.
b. A 0.26-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.2 m. What is the change in gravitational potential energy of the system from release to reaching the bottom of the well?
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