Chronology | Current Month | Current Thread | Current Date |
[Year List] [Month List (current year)] | [Date Index] [Thread Index] | [Thread Prev] [Thread Next] | [Date Prev] [Date Next] |
It seems to me that the "linear density" line and the "constant
density"
line should be switched. What am I missing?
P.S. Here's a question: how fast does the Earth have to spin such that
the dropped object doesn't make it through the tunnel but instead pops
back up out the hole?...
Robert A. Cohen, Department of Physics, East Stroudsburg University
570.422.3428 rcohen@esu.edu http://www.esu.edu/~bbq
This is a helpful depiction..
http://en.wikipedia.org/wiki/File%3aEarthGravityPREM.jpg