Electric Potential Energy
AP Physics 2 · Flashcards · Application
AP PHYSICS 2 · FLASHCARDS
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QUESTION
Calculate the potential energy:
p
=
2
C m
p = 2 \text{ C} \text{ m}
p
=
2
C
m
,
E
=
3
N/C
E = 3 \text{ N/C}
E
=
3
N/C
,
θ
=
0
o
\theta = 0^\text{o}
θ
=
0
o
.
QUESTION
If
U
=
50
J
U = 50 \text{ J}
U
=
50
J
and
q
=
2
C
q = 2 \text{ C}
q
=
2
C
, what is
V
V
V
?
QUESTION
If
q
=
5
C
q = 5 \text{ C}
q
=
5
C
,
E
=
10
N/C
E = 10 \text{ N/C}
E
=
10
N/C
,
d
=
2
m
d = 2 \text{ m}
d
=
2
m
, find
U
U
U
.
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ANSWER
U
=
100
J
U = 100 \text{ J}
U
=
100
J
. Direct substitution:
U
=
5
×
10
×
2
=
100
U = 5 \times 10 \times 2 = 100
U
=
5
×
10
×
2
=
100
J.
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