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Question:

Does inertia have no effect on a magnetic field?

Zero effect? For instance, would the magnetic field of a small magnet stuck to the end of a propeller blade simply travel, intact, like a solid object? With no change in its properties and leaving nothing behind? If so, would it leave a wake? If so, would such a wake be relative to its size or to some other property?

Answer:

Go find a neighbor, find someone w/ a phone, HURRY! Also I suggest not smoking to prevent this from happening again.
Walk in to the flames and wait for them to die down. Fire stops when fuel runs out.
A moving magnetic field is not affected by the mass or inertia of the material that is moving it. The propeller could be 10 kg, or 1000 kg -- they each would have the same effect on the magnetic field. The field IS, however, affected by the movement, and by the magnetic properties of anything around it. The field is not simply the same as rigid movement of the the non-moving field. Thinking in terms of a wake is going to confuse you and lead to the wrong answers. You need to understand Maxwell's equations, and the electrodynamics of moving magnets. That's at least a year of study, with some post-high school math.
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