An electron moves along the trajectory from i to f as shown. Does the electric p

Question

An electron moves along the trajectory from i to f as shown. Does the electric potential energy increase, decrease or stay the same? Explain. Is the electron's speed at f greater than, less than or equal to its speed at i? Explain. Consider the diagram below. Which plate (left or right) is the positive plate? How do you know? What is the electric field strength inside the capacitor? What is the change in electric potential energy if a proton is moved from the right plate to a position at a location midway between the plates. Does it matter how you get it to that position?

Explanation / Answer

you have asked 2 different questions.As per chegg guidelines i can only answer one.Please raise different question for others.

a)U=1/4*pie*e0(q1q2/r)

from the formula we can say that potential varies as the distance,Both the charges have different sign ,so the potential increases as the distance increases.

b)electron speed will be less than the speed at i ,since the charges with opposite polarity slow s down as they move apart.

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