1. Two charges of +25 µC and +16 µC are 90 mm apart. A third charge of -60 µC is placed on a line joining the two charges, 30 mm from the +25 µC charge. Find the net force on the third charge.

University Physics Volume 2
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Chapter7: Electric Potential
Section: Chapter Questions
Problem 30P: Two charges Q1(1+2.00C) and Q2(+2.00C are placed symmetrically along the x-axis at x=3.00cm ....
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1. Two charges of +25 µC and +16 µC are 90 mm apart. A third charge of -60 µC is placed
on a line joining the two charges, 30 mm from the +25 µC charge. Find the net force on
the third charge.
2. Starting from rest, a proton falls through a potential difference of 1 MV. Find its final
velocity.
Transcribed Image Text:1. Two charges of +25 µC and +16 µC are 90 mm apart. A third charge of -60 µC is placed on a line joining the two charges, 30 mm from the +25 µC charge. Find the net force on the third charge. 2. Starting from rest, a proton falls through a potential difference of 1 MV. Find its final velocity.
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