mjc123's latest activity
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Mmjc123 replied to the thread Collection of Lame Jokes.Or in England.
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Mmjc123 replied to the thread High School How much lower would a sheep be expected to jump if on a steep upward slope?.Because quick brown foxes jump over it?
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Mmjc123 replied to the thread High School How much lower would a sheep be expected to jump if on a steep upward slope?.You misunderstand the question. 1 m is a measure of height, not steepness. The question is, over what horizontal distance does the...
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Mmjc123 replied to the thread Collection of Lame Jokes.Could have called it a "lift".
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Mmjc123 replied to the thread Magnitude of buoyant force in fluids of different densities.Remember: a floating body displaces its own weight of fluid; A submerged body displaces its own volume of fluid. Whether it floats or...
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Mmjc123 replied to the thread Two-layer dielectric, four-capacitor model vs three-capacitor model.But I don't accept your premise. You assert that the top plate's charge distribution doesn't change, therefore the electric field...
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Mmjc123 replied to the thread Two-layer dielectric, four-capacitor model vs three-capacitor model.I think you are right. The book solution implicitly assumes that the voltage at the bottom of slab 1 is constant across the width, which...