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Physics Forums's title: Physics Forums | Science Articles, Homework Help, Discussion

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Electric Vehicle Fires on Ships


This is a video on fires on ships by Sal Mercogliano. He is very experienced and produces great videos on all aspects of shipping and disasters. Fires involving lithium batteries can not be easily put out because they have their own supply of oxidant. Water can't put them out. They...


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Could "Supralight” effectively allow perfect cloaking?
I came across this article from 2011

https://dx.doi.org/10.1088/1367-2630/13/8/083007

In the introduction-it talks about the difficulties of electromagnetic cloaking and went so far as to say that it is difficult to achieve WITHOUT Superluminal propagation...

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New Member Introduction
Hey guys, I'am a high school student in india with a keen interest in physics. I got to know about this website after I asked chatgpt to tell me some good forums to discuss physics.
I hope this will be a new and good learning experience for me!

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Textbook Sequence Request: Entering B.Sc. Physics (Theoretical Focus &
Hello, I have recently completed high school (Class 12, CBSE board in India). I have a solid foundational grasp of standard high school mechanics, electromagnetism, and modern physics based on that curriculum. However, I want to rebuild and elevate my foundations rigorously for university...


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Simple kinematics problem — falling from a geostationary satellite
I know g at that altitude is 0.221 m/s² but I'm not sure how to integrate the increasing gravitational acceleration as the object approaches Earth. I attempted using kinematic equations but g is not constant during the fall.

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