You must show major steps in the calculations. No single number answers will be credited. Also use correct approximation to answers (only at the end); and indicate correct physical units. (Use back of paper if needed) 1-Two unequal electrical charges q, and q, are symmetrically placed on the X axis at positions (-3,0) and (+3,0) as illustrated in the figure. The charges are separated 6.00 cm (all distances are in centimeters), and their values are q- - 5.00 x 10 C and q, - +8.00 x 10 C. Find: (a) the Coulomb force F, between the two charges (absolute value) and if it is attractive or repulsive; (b) the electric E fields that each charge produces at the origin A(0,0), magnitude and direction, (East or West); (c) the net E field there (magnitude and direction); (d) the potentials (volts) that cach charge produces at the same location A(0,0) and the net potential there ; (e) Calculate also the potentials at point B(0,2) and the net potential there; (f) the work done by a 2.00 x 10 C charge when moving from A to B. (g) Finally calculate the total electric potential energy U2 of the system. You must indicate with arrows the direction of the E fields at A(0,0) and insert the answers in Y the accompanying Table. Use k =9.00 x10' Nm'/C (30 pts). (Work here and use back if needed). West 9) East TABLE for Answers Value Units F12 Attr. or Rep.? EA a) Coulomb Force b) Electric fields at A(0,0) Direction? E /W EA2 Direction? E/W c) Net field EEA Direction? E/W d) Potentials
You must show major steps in the calculations. No single number answers will be credited. Also use correct approximation to answers (only at the end); and indicate correct physical units. (Use back of paper if needed) 1-Two unequal electrical charges q, and q, are symmetrically placed on the X axis at positions (-3,0) and (+3,0) as illustrated in the figure. The charges are separated 6.00 cm (all distances are in centimeters), and their values are q- - 5.00 x 10 C and q, - +8.00 x 10 C. Find: (a) the Coulomb force F, between the two charges (absolute value) and if it is attractive or repulsive; (b) the electric E fields that each charge produces at the origin A(0,0), magnitude and direction, (East or West); (c) the net E field there (magnitude and direction); (d) the potentials (volts) that cach charge produces at the same location A(0,0) and the net potential there ; (e) Calculate also the potentials at point B(0,2) and the net potential there; (f) the work done by a 2.00 x 10 C charge when moving from A to B. (g) Finally calculate the total electric potential energy U2 of the system. You must indicate with arrows the direction of the E fields at A(0,0) and insert the answers in Y the accompanying Table. Use k =9.00 x10' Nm'/C (30 pts). (Work here and use back if needed). West 9) East TABLE for Answers Value Units F12 Attr. or Rep.? EA a) Coulomb Force b) Electric fields at A(0,0) Direction? E /W EA2 Direction? E/W c) Net field EEA Direction? E/W d) Potentials
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Transcribed Image Text:You must show major steps in the calculations. No single number answers will be credited. Also use correct approximation
to answers (only at the end); and indicate correct physical units. (Use back of paper if needed)
Date:
1-Two unequal electrical charges q, and q, are symmetrically placed on the X axis at positions (-3,0) and (+3,0)
as illustrated in the figure. The charges are separated 6.00 cm (all distances are in centimeters), and their values
are q = - 5.00 x 10° C and 9, = +8.00 x 10 C. Find: (a) the Coulomb force F12 between the two charges
(absolute value) and if it is attractive or repulsive; (b) the electric E fields that each charge produces at the origin
A(0,0), magnitude and direction, (East or West); (c) the net E field there (magnitude and direction); (d) the
potentials (volts) that cach charge produces at the same location A(0,0) and the net potential there ; (e) Calculate
also the potentials at point B(0,2) and the net potential there; (f) the work done by a 2.00 x 10* C charge when
moving from A to B. (g) Finally calculate the total electric potential energy Uz of the system. You must indicate
with arrows the direction of the E fields at A(0,0) and insert the answers in
Y.
the accompanying Table.
Use k = 9.00 x10 Nm/C (30 pts). (Work here and use back if needed).
West 9)
g+);x East
TABLE for Answers
Units
Value
F12
Attr. or Rep.?
EAI=
a) Coulomb Force
b) Electric fields
at A(0,0)
Direction? E /W
EA2=
Direction? E / W
Net field
EEA =
Direction? E/W
(p
Potentials
at A(0,0)
VAI=
VA=
Net potential
at A(0,0)
e) Potentials
at B(0,2)
EVA=
VB1 =
V8 =
Net potential
at B(0,2)
HWork of q=2µC
going A-B
g)
energy U of q and q,
EVBu=
%3D
WAB
Potential
U2 =
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