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 0.2 m diameter metal sphere at a potential V of 27 KV that repels paint droplets onto a grounded wall. Note that the charge on the paint sphere sprayer is not the same as the charge on the paint droplets. (a) What charge is on the sphere? Qsphere C 9 drop paint drop repelled to the wall Vsphere C Vwall=0 m (b) What charge must a 0.08 mg drop of paint have to arrive at the object with a speed of 10 S Electrostatic Paint Sprayer -?

University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
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Chapter7: Electric Potential
Section: Chapter Questions
Problem 50P: An electrostatic paint sprayer has a 0.200-m-diameter metal sphere at a potential of 25.0 kV that...
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. 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 0.2 m diameter metal sphere at a potential
V
sphere
of 27 kV that repels paint droplets onto a grounded wall. Note that the charge on the paint
sprayer is not the same as the charge on the paint droplets.
(a) What charge is on the sphere?
C
Qsphere
9 drop
=
paint drop
repelled to the wall
Vsphere
C
m
(b) What charge must a 0.08 mg drop of paint have to arrive at the object with a speed of 10
S
Vwall=0
Electrostatic Paint Sprayer
Transcribed Image Text:. 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 0.2 m diameter metal sphere at a potential V sphere of 27 kV that repels paint droplets onto a grounded wall. Note that the charge on the paint sprayer is not the same as the charge on the paint droplets. (a) What charge is on the sphere? C Qsphere 9 drop = paint drop repelled to the wall Vsphere C m (b) What charge must a 0.08 mg drop of paint have to arrive at the object with a speed of 10 S Vwall=0 Electrostatic Paint Sprayer
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