Could someone please explain all the questions in pictures?

To form a hydrogen atom, a proton is fixed at a point and an electron is brought from far away to a distance of 0.529 X 10 m, the average distance between proton and electron in a hydrogen atom. How much work is done by the electric field (in J)? Additional Materials Reading 2. [-/4 Points] DETAILS OSUNIPHYS1 24.1.WA.001. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A proton is acted on by a uniform electric field of magnitude 273 N/C pointing in the negative y direction. The particle is initially at rest. a) In what direction will the charge move? ---Select--- (b) Determine the work done by the electric field when the particle has moved through a distance of 3.65 cm from its initial position. (c) Determine the change in electric potential energy of the charged particle. (d) Determine the speed of the charged particle. m/s Additional Materials Reading 3. [-/1 Points] DETAILS OSUNIPHYS1 24.2.P.034. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An evacuated tube uses an accelerating voltage of 44 KV to accelerate electrons to hit a copper plate and produce X-rays. Non-relativistically, what would be the maximum speed (in m/s) of these electrons? m/s Additional Materials Reading