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Quiz1solutions

# Quiz1solutions - PHY2049 Quiz 1 on chapter 23 1 Two point...

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PHY2049 Quiz 1 on chapter 23 1. Two point charges, q 1 = + q and q 2 = –2 q , are fixed at positions on the x -axis, as shown below. If you were to place a third point charge somewhere so that the force on it would be zero, you should place that charge somewhere a) on the x -axis to the right of the two charges, b) on the x -axis in between the two charges, c) on the x -axis to the left of the two charges, or d) off of the x -axis. 2. A plastic rod is charged up by rubbing a wool cloth, and brought to an initially neutral metallic sphere. It is allowed to touch the sphere for a few seconds, and then is separated from the sphere by a small distance. After the rod is separated, the rod A) is repelled by the sphere. B) is attracted to the sphere. C) feels no force due to the sphere. Answer: A 3) A hydrogen nucleus, which has a charge e, is situated to the left of a carbon nucleus, which has a charge 6e. Which statement is true? (c). Consider a positive point charge placed to the right of the two charges. From

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Quiz1solutions - PHY2049 Quiz 1 on chapter 23 1 Two point...

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