Recent content by smth

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    Which element has "stronger" radiation?

    Sorry if I am asking a stupid question. I recently had an argument with my friend which among this two is more dangerous: 3H or 235U(not considering its decay chain products). I was under the impression that 3H has an effective dose about 1000 times smaller than 235U due to its weak...
  2. S

    Question regarding underwater pressure

    You may be right:-<, perhaps pascal law is not quite the law we really need, though they are likely related. Thanks!
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    Question regarding underwater pressure

    Hi Shyan, what you descibed, like the "pressure on the surface is distributed...", sounds very like the pascal law (at least in some form) which states that the static pressure in a fluid acts equally in all directions...
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    Question regarding underwater pressure

    hi anandparasar, sorry for the late reply. I have the same feeling that this should be an example of the pascal theoerm (or so-called pascal's law) for static fuilds.
  5. S

    Question regarding underwater pressure

    Okay thanks :)
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    Question regarding underwater pressure

    Thanks Shyan, so you mean theoretically speaking (like an ocean) the pressure applied by the helicopter on the water will be equivalently distributed to the buttom of the ocean, am I understanding it correctly? Thanks:)
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    Question regarding underwater pressure

    Hi, I am having some argument with my friend over the following elementary physics problem: Assume there is a pressure sensor located at position C underwater and deep enough, and assume also the water is completely still. If there is a helicopter or hovercraft idling above the water, will...
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