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Found 2 results

  1. When I oslve problems in Kinematics I face difficulty of derivations but theory and formulas seems to be easier. When i solve problem it appears difficult.
  2. This one was put to me by a colleague who used to be a high energy particle physicist (he's now a biophyicist). He doesn't have the answer and neither do I. 1 - I'm sitting in a room that is 80oF; 2 - the outside air temperature is 70oF; 3 - I want to cool the room; 4 - I put a fan in the window and turn it on; 5 - the airflow is directed into the room; 6 - the fan starts blowing 70oF air into the room. Simple enough. However, remember that temperature is actually a measure of molecule motion. The air being blown into the room by the fan is moving much much faster than the air outside t
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