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bargasdevon123
24.06.2019 •
Physics
Three identical point charges of 2.0 μc are placed on the x-axis. the first charge is at the origin, the second to the right at x = 50 cm, and the third is at the 100 cm mark. what are the magnitude and direction of the electrostatic force which acts on the charge at the origin?
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Ответ:
Q = magnitude of charge at each of the three locations A, B and C = 2 x 10⁻⁶ C
r₁ = distance of charge at origin from charge at B = 50 - 0 = 50 cm = 0.50 m
r₂ = distance of charge at origin from charge at C = 100 - 0 = 100 cm = 1 m
F₁ = magnitude of force by charge at B on charge at origin
F₂ = magnitude of force by charge at C on charge at origin
Magnitude of force by charge at B on charge at origin
inserting the values
F₁ = 0.144 N
Magnitude of force by charge at C on charge at origin
inserting the values
F₂ = 0.036 N
Net force on the charge at the origin is given as
F = F₁ + F₂
F = 0.144 + 0.036
F = 0.18 N
from the diagram , direction of net force is towards left or negative x-direction.
Ответ:
1 1/5
48/40 = 1 8/40
1 8/40 Simplify to 1 1/5
Hope this helps!