density

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“I have announced this star as a comet, but since it is not accompanied by any nebulosity and, further, since its movement is so slow and rather uniform, it has occurred to me several times that it might be something better than a comet. But I have been careful not to advance this supposition to…

One of the worst teaching tools physicists use (and they almost all do it) is to tell students, There’s no such thing as centrifugal force. What can you do when the top physics education website says, “It is important to note that the centrifugal force does not actually exist. We feel it, because we are…