9 Answered Questions for the topic Electrostatics

Electrostatics Physics

07/09/21

force on charge and halfway between

Two charges of +10 – 6 C are located 1 cm apart. (a) What is the force on a charge +10 – 8 C halfway between them? (b) What is the force on a charge of –10 – 8 C at the same place?
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Electrostatics Physics

04/04/21

Physics problem
An insulating hollow sphere has inner radius a and outer radius b. Within the insulating material the volume charge density is given by ρ (r) = α/r, where α is a positive constant. (a) In terms of... more
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Electrostatics Physics Electromagnetism

02/28/20

for this coulomb's law question, why can't i solve by splitting e into Ex and Ey and then combining given Ey is zero? I get an answer 10^-30 instead of 10^-10.
The solution here says to figure it out by using cos theta as a factor, but I don't understand why I cannot just break it up into components? Figure shows two charge particles on an x acis -q on... more
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Electrostatics Physics Acceleration Forces

08/02/19

Why can't charged objects exert electrostatic forces on heavier objects?
We know that, for example, amber rubbed with fur attracts bits and pieces of straw, paper, Styrofoam, etc. which are all light objects. Why don't they attract heavier objects, likewise?
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07/15/19

Are the Maxwell's equations enough to derive the law of Coulomb?
Are the 8 Maxwell's equations enough to derive the formula for the electromagnetic field created by a stationary point charge, which is the same as the [law of... more
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Electrostatics Physics

05/20/19

How do I get the magnitude and direction of a force experienced by, in this case, the ball at the top?
Three glass ornaments become electrically charged when Noel removed them from the packaging material in their box. If each ornament has acquired a charge of 2.0 E -10, what is the magnitude and... more
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Electrostatics

12/10/18

if a proton beam is fired into a uniform field, following a parabolic path, what is the acceleration of these protons?
E = 840 N/CThank you!
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Electrostatics

01/12/16

The electrostatic force between two charges are located 2 meters apart of 15 N. What will be the force between these charges when they are located 1 meter apart
please help!
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Electrostatics

01/12/16

Two spheres have identical charges and are 0.75 m apart. The force between them is 0.30 N. What is the magnitude of the charge on each sphere?
Please help!
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