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bellsbella34
24.11.2020 •
Physics
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Ответ:
Charge 3 is located on the x-axis a distance of 0.67 cm from charge 1 and 1.33 cm from charge 2.
Explanation: Electrostatic Force is the force of repulsion or attraction between two charged particles. It's directly proportional to the charge of the particles and inversely proportional to the distance between them:
k is an electrostatic constant
For the system of 3 particles, suppose distance from 1 to 3 is x meters, so, distance from 2 to 3 is (0.02-x) meters.
Force will be
Substituting:
Solving quadratic equation using Bhaskara:
x₂ will give a negative value and since distance can't be negative, use x₁
x₁ = 0.0067 m
The position of charge 3 is 0.67 cm from charge 1 and 1.33 cm from charge 2.