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Physics/reasoning problems (no LBC)

To: mgs@Autox.Team.Net
Subject: Physics/reasoning problems (no LBC)
From: "Scott Gardner" <gardner7@pilot.infi.net>
Date: Thu, 22 Jan 1998 09:56:28 +0000
Here's one to keep your minds sharp in preparation for those heavy 
exhaust/intake questions...
        If you have a toy boat in the bathtub, filled with nuts and bolts, 
and you tip the boat over, dumping its cargo to the bottom of the 
tub, what happens to the water level in the tub?  (note, the boat 
returns to it original floating position and takes on no water.)

Also, 
  I give you two cylinders, both identical in appearance and weight.  
One is made of aluminum, and is solid.  The other is made of gold, 
and has the center hollowed out (outside surfaces are unbroken, 
however.)  Both are painted an identical non-conducting British 
Racing Green (obligatory lame attempt at LBC content).
        Performing only non-destructive testing, with materials/methods 
available in the typical household, how can you tell which cylinder 
is which?  Tapping on the cylinders with a mallet produces identical 
sounds.
Scott

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