10.(10pts)An electron gun can be used to accelerate a positive charge as follows: A potential difference, AV = 150 volts, is applied as shown below. Holes are cut in both plates as shown. Assume a proton (Hydrogen nucleus or ion of charge +1e) enters the capacitor through the small hole A (in the positive plate) with initial velocity, vo = 0 m/s. What is the speed of the proton after it passes through the small hole B in the negative plate? Does the proton get pulled back towards the negative plate after leaving B? Does the nal speed depend on d