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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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A point charge +Q is fixed at a height H above the ground. Directly below this charge is a small ball with a charge -q and a mass
m. When the ball is at a height h above the ground, the net force
(gravitational plus electrical) acting on it is zero. Is this a stable
equilibrium for the object? Explain.
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- Determine the net electric force acting on a 3.0 µC charge by two charges. The first charge is -2.0 µC and is located 10 cm to the left of the 3.0 µC charge. The second charge is 4.0 µC and is located 8 cm to the right of the 3.0 µC charge.arrow_forwardA light, unstressed spring has length d. Two identical particles, each with charge q, are connected to the opposite ends of the spring. The particles are held stationary a distance d apart and then released at the same moment. The system then oscillates on a frictionless, horizontal table. The spring has a bit of internal kinetic friction, so the oscillation is damped. The particles eventually stop vibrating when the distance between them is 3d. Assume the system of the spring and two charged particles is isolated. Find the increase in internal energy that appears in the spring during the oscillations.arrow_forwardA charge q1 of 44 µC is placed at the origin of the xy-coordinate system and a charge q2 of -72 µC is placed on the positive x-axis at x = 20 m. Calculate the magnitude of the net electric force being experienced by another charge q3 = 3 mC at point (20 m, 25 m) in N.arrow_forward
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