TSny's latest activity
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TSny replied to the thread Undergrad Why is the Lorentz Force always perpendicular to velocity?.Consdider the case where the test charge moves perpendicularly away from the conductor ("wire") in the lab frame ##S## and suppose the... -
TSny replied to the thread Some work on MTW Figure 25.7.For online calculation of the incomplete elliptic integral ##F[\phi, m]##, where ##m = k^2##, see this site at WolframAlpha. The link...
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TSny replied to the thread Some work on MTW Figure 25.7.I don't see much difference between the MTW (Darwin) calculations and your calculations using ##r_1, r_2, ## and ##r_3##. Darwin shows...
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TSny replied to the thread Some work on MTW Figure 25.7.The relations between the three root ##(r_1, r_2, r_3)## and the quantities ##R## and ##Q## are given in the paper by C. Darwin...
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TSny reacted to Steve4Physics's post in the thread Which material will stop magnetic attraction? with
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YouTube is your friend (with music)! CLick here. Interesting point. I think the diagram captures the main effect – the re-routing of... -
Perhaps, but I don't think so. The real force in this case is static friction which adjusts itself to provide the observed acceleration...
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TSny replied to the thread Graduate Another derivation from Quantum Fields on curved spacetime.From ##t = \alpha \sinh(\tau/\alpha)##, we have ##z = (t^2 + \alpha^2)^{1/2} = \alpha \cosh(\tau/\alpha)##. Use these to express the...
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TSny replied to the thread A rocket and the Coriolis acceleration.Yes, the Coriolis force is toward the right. In the video below, you can see that when the rotating frame rotates counterclockwise...
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Thanks to your nice drawing it is clear what's what. To @brotherbobby: The cross product vector ##\mathbf {\Omega}_0\times \mathbf...
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TSny replied to the thread A rocket and the Coriolis acceleration.Yes, I agree that the x-axis as drawn is bad. The x-axis (toward the east) should be into the page (perpendicular to the y-z plane)...
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TSny replied to the thread A rocket and the Coriolis acceleration.Your work looks correct to me (except, as pointed out by @kuruman, ##m## should not be in your expression for the acceleration). I...
