In an electron microscope, there is an electron gun that contains two charged metallic plates 2.75 cm apart. an electric force accelerates each electron in the beam from rest to 9.50% of the speed of light over this distance. (ignore the effects of relativity in your ) determine the kinetic energy of the electron as it leaves the electron gun.(b) for an electron passing between the plates in the electron gun, determine the magnitude of the constant electric force acting on the electron.(c) determine the acceleration of the electron.(d) determine the time interval the electron spends between the plates. need understanding how to solve this.

Part a)

Part b)

Part c)

Part d)

Explanation:

Part a)

kinetic energy of the electrons is given as

so we will have

Part b)

As we know that this kinetic energy is due to the electric field

so we will have

Part c)

Acceleration of the electron is given as

Part d)

as we know that it is moving in uniform acceleration so we will have

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they are non-matter

explanation:

they are non-matter. basically, any type of energy or any abstract concept is an example of something that does not matter. other examples include dreams, magnetism, radio, and hate