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Appliance Guru
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Category: Homework
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Experience:  Over 15 yrs. experience with 10,000+ in home repairs.
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When a solid aluminum paddle is released (see figure), it

Customer Question

When a solid aluminum paddle is released (see figure), it immediately comes to a halt in the gap
between the north and south poles of two cylindrical magnets, instead of swinging freely. This
occurs even though the magnetic force between the paddle and the magnets is negligibly small (i.e.
Al is not ferromagnetic).
A. In 3 sentences or less, explain why this occurs. [To receive credit, you must properly
invoke the correct phenomenon and correct law(s) of electromagnetism in your
B. If the solid paddle were replaced by a slotted paddle (see figure below), would this increase
the damping of the oscillation, decrease it, or have no effect on it?
Submitted: 6 months ago.
Category: Homework
Expert:  Appliance Guru replied 6 months ago.

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