An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint droplets repel and move towards a grounded object that needs to be painted. In the figure below, an electrostatic paint sprayer has a 0.3 m diameter metal sphere at a potential sphere of 25 kV that repels paint droplets onto a grounded wall. Vwall=0 paint drop repelled to the wall Vsphere Electrostatic Paint Sprayer (a) What charge is on the sphere? Qsphere C (b) What charge must a 0.1 mg drop of paint have to arrive at the object with a speed of 8

An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint droplets repel and move towards a grounded object that needs to be painted. In the figure below, an electrostatic paint sprayer has a 0.3 m diameter metal sphere at a potential sphere of 25 kV that repels paint droplets onto a grounded wall. Vwall=0 paint drop repelled to the wall Vsphere Electrostatic Paint Sprayer (a) What charge is on the sphere? Qsphere C (b) What charge must a 0.1 mg drop of paint have to arrive at the object with a speed of 8

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

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1. An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the
same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint
droplets repel and move towards a grounded object that needs to be painted.
In the figure below, an electrostatic paint sprayer has a 0.3 m diameter metal sphere at a potential
V sphere of 25 kV that repels paint droplets onto a grounded wall.
Vwall=0
(a) What charge is on the sphere?
C
Qsphere
9 drop
paint drop
repelled to the wall
Vsphere
с
(b) What charge must a 0.1 mg drop of paint have to arrive at the object with a speed of 8
Electrostatic Paint Sprayer

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