Electrical force acting on the alpha particle
An alpha particle (charge = +2.0 e) is sent at high speed toward a gold nucleus (charge = +79e). What is the electrical force acting on the alpha particle when it is 2.0 x 10-14 m from the gold nucleus?
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At a distance from a point charge, the electric potential is 3200 and the magnitude of the electric field is 2.0×105 . What is the distance r?
Given a 99% confidence interval for p1-p2 as (-0.58, 0.58). What can be concluded?
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