025 (part 1 of 2) Three charges are arranged as shown in the figure. 2 nC -0.8 nC 4.2 m -1.8 m O 0.87 nC Find the magnitude of the electro- static force on the charge at the origin. The value of the Coulomb constant is 8.98755 x 10° N · m²/C². Answer in units of nN. 026 (part 2 of 2) What is the angle 0 between the electrostatic force on the charge at the origin and the pos- itive r-axis? Answer in degrees as an angle between -180° and 180° measured from the positive r-axis, with counterclockwise posi- tive. Answer in units of °.
025 (part 1 of 2) Three charges are arranged as shown in the figure. 2 nC -0.8 nC 4.2 m -1.8 m O 0.87 nC Find the magnitude of the electro- static force on the charge at the origin. The value of the Coulomb constant is 8.98755 x 10° N · m²/C². Answer in units of nN. 026 (part 2 of 2) What is the angle 0 between the electrostatic force on the charge at the origin and the pos- itive r-axis? Answer in degrees as an angle between -180° and 180° measured from the positive r-axis, with counterclockwise posi- tive. Answer in units of °.
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Transcribed Image Text:025 (part 1 of 2)
Three charges are arranged as shown in the
figure.
2 nC
-0.8 nC
4.2 m
-1.8 m O 0.87 nC
Find the magnitude of the electro-
static force on the charge at the origin.
The value of the Coulomb constant is
8.98755 x 10° N · m²/C².
Answer in units of nN.
026 (part 2 of 2)
What is the angle 0 between the electrostatic
force on the charge at the origin and the pos-
itive r-axis? Answer in degrees as an angle
between -180° and 180° measured from the
positive r-axis, with counterclockwise posi-
tive.
Answer in units of °.
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