(2) Lesson 3.1 Electric Potential Energy in a Uniform Electric Field

Question 1

a positive charge close to another positive charge = _____ = _____

Answer 1

a positive charge close to another positive charge = high potential energy = repelled

Question 2

closer proximity to a negative charge = ______

Answer 2

closer proximity to a negative charge = low potential energy

Question 3

U(A) has more potential energy than U(B) if…

Answer 3

W(A) —-> B is positive

Question 4

potential energy decreases if…

Answer 4

U(A) is negative

Question 5

During displacement, the change of the particle’s kinetic energy is…

Answer 5

equivalent to the total work done on the charged particle.

Question 6

work is positive if…

Answer 6

direction with the net displacement of the charge

Question 7

What is 1 proton equal to?

Answer 7

1.6×10-¹⁹ C

Question 8

What is 1 electron equal to?

Answer 8

-1.6×10-¹⁹ C

Question 9

What is Columb’s constant value?

Answer 9

K = 9×10⁹ N•m²/C²

Question 10

How do you solve for the change in velocity?

Answer 10

triangleV = V(f) - V(i)