A spherical water droplet of radius 29 pm carries an excess 234 electrons. What vertical electric field (in N/C) is needed to balance the gravitational force on the droplet at the surface of the earth? (Assume the density of a water droplet is 1,000 kg/m³. Enter the magnitude.)

A spherical water droplet of radius 29 pm carries an excess 234 electrons. What vertical electric field (in N/C) is needed to balance the gravitational force on the droplet at the surface of the earth? (Assume the density of a water droplet is 1,000 kg/m³. Enter the magnitude.)

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter24: Electric Fields

Section: Chapter Questions

Problem 76PQ

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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.

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A spherical water droplet of radius 29 pm carries an excess 234 electrons. What vertical electric field (in N/C) is needed to balance the gravitational force on the droplet at the surface of the earth?
(Assume the density of a water droplet is 1,000 kg/m³. Enter the magnitude.)

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