7 Jun
2005
7 Jun
'05
6:20 p.m.
Ethan wrote:
I love the bit about trying to spin it at 30,000
RPM... long before it
hits that speed, relativistic effects will kick in.
Nope. 30,000 RPM would result in the outer rim moving at 51,472 m/s,
which is only 0.00017c, nowhere near relativistic. But the floppy disk
is likely to break up at a little over 200 RPM, unless is is being tested
in an evacuated chamber.
Eric