6. A small ball of mass 2.5 x 10-4 kg is suspended on a 70.0 cm string, halfway between two parallel plates positioned 10.0 cm apart. If the ball has a surplus of 3.6 x 1012 electrons, what is the minimum potential difference across the plates needed to move the ball such that it swings and touches one of the plates? (Assume the radius of the ball is negligible.
6. A small ball of mass 2.5 x 10-4 kg is suspended on a 70.0 cm string, halfway between two parallel plates positioned 10.0 cm apart. If the ball has a surplus of 3.6 x 1012 electrons, what is the minimum potential difference across the plates needed to move the ball such that it swings and touches one of the plates? (Assume the radius of the ball is negligible.
Chapter7: Electric Potential
Section: Chapter Questions
Problem 37P: The electric field strength between two parallel conducting plates separated by 4.00 cm is 7.50104...
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