Recent content by ken schatten

  1. ken schatten

    B Understanding Spin: A Basic Explanation for Beginners in Physics

    I looked through a number of the previous answers. I think i have a different view, although i think the conventional ones made may not be so broad as my view... To me, although one can think of spin, as the type of property one gets from a classical object spinning (so, it might be thought of...
  2. ken schatten

    First Law of Thermodynamics and Melting-Ice Scenario?

    As you are writing the question, to me, it seems not totally defined: what is the system? For example, you are talking about an ice cube resting on a counter..., and the ice melting. So, presumable you are considering the counter top, as part of the system, and likely the air around the ice...
  3. ken schatten

    Say goodbye to Miami and new Orleans

    There are a LOT of other factors too, about what a rise in sea level would do...This for a few reasons. One,it can add to the height of a full tide, making the force add to the power of a storm swell, say on a levee, dam, etc.- significantly larger (by a huge factor); two, its motion (over the...
  4. ken schatten

    B Can a particle exist without time

    Wished to have added... that in the early universe (before and during inflation, things were very, very different, and cannot be any comparison, between then and now).. Afterwards, things settled down, and now some meaning may exist (but not for whole universe, at all times).
  5. ken schatten

    B Can a particle exist without time

    To me, this is a fascinating question, nevertheless, i think perhaps one needs to define what is meant by the terms particle, time and exist. Additionally, all these things seem to be dependent upon our "laws of physics". It is possible to make up different laws, that would have different...
  6. ken schatten

    In what sense do within-H-atom electrons "move" at ~1/137c?

    Agree with much of what has been said. Hope this addition helps... There is no true velocity, as that would only be the case for restricted "motions", e.g. an orbit. Just thinking in terms of orbits, of course, is inherently non-quantum-mechanical. As said, the energy, however, (particularly its...
  7. ken schatten

    U-Shaped Ferrite Core Inductor question

    Not sure about answer to your question... Only adding a little bit from a physicist, not EE.. My understanding is that these things allow "write" statements to that bit of core in the following fashion. the cross shape allows wires in two orthogonal directions to have each to (play a role)...
  8. ken schatten

    Can a Bow Launch an Arrow at Supersonic Speeds?

    Well, I can make a comment that i am not sure is there... If the arrow exceeds the sound speed, then the typical bow and string type geometry, need have the string to exceed the air speed. In so doing, it would generate shock waves, and so the power requirement would go up as well... So, the...
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