Re: What would the end velocity be if...?

: STJensen <RecreationalPoker@[EMAIL PROTECTED]
>
: Someone is placed in a capsule of an electro-magnetic repulsion
: accelerator in the weightless vacuum of space and accelerated along
: its entire length.  If the g force the person feels is 2g (32 ft/s-
: squared x 2) during the entire time along the accelerator and the
: accelerator is 60,000 miles long, how fast would the person be
: traveling when they leave the accelerator and how long would their run
: on the accelerator last?  And if a machine part was fired off on the
: same accelerator at 100g, why do I get the feeling that they be going
: a lot faster than 50 times as fast the 2g-accelerated human and their
: run taking a lot less than 1/50th the time?  Or is my gut wrong and
: they would only be going 50 times faster and their run would only be
: 1/50th the time?

Neither.  Considerably *less* than 50 times as fast, and considerably
*more* than a 50th of the time.  

Do the arithmetic yourself: t=sqrt(2d/a), and v=at.  You can choose a
few numerical examples, or simplify sqrt(2d/a)/sqrt(2d/(50a)), which
of course turns out to be sqrt(1/50) for the time, and sqrt(50) for speed,
or, about seven times the speed.


Wayne Throop   throopw@[EMAIL PROTECTED]
   http://sheol.org/throopw