Re: OT: Jupiter Probe
- From: BJ Conner <oakiefisher@xxxxxxxxxxx>
- Date: 2 May 2007 14:53:28 -0700
On May 2, 1:58 pm, rw <rw56_to_the_ch...@xxxxxxxxxxxxx> wrote:
Peter A. Collin wrote:
I think I get it - The craft is travelling the same speed before and
after being influenced by Jupiter's gravity, but is travelling faster
while being influenced. Thereby making its outward trip take less time.
What is happening is that the spacecraft is "stealing" momentum from the
planet. Not to worry -- Jupiter has plenty of momentum to spare.
--
Cut "to the chase" for my email address.
It changes velocity. Velocity is a vector quanity that has both
speed and direction. Speed is a scalar quanity. If you think about
the grid pattern with the funnels in it that they use to illustrate
Einstiens theory, it was a bank shot. It rolled down toward the
hole in funnel but didn't go it, it changed direction and rolled out
again. As it approached the "hole" it changed potential energy into
kenetic energy, as it left the kinetic energy changes to potential
energy.
If it had went down the hole, the kenetic energy would have changed to
heat energy.
It cannot gain any energy flying past Jupiter unless the LGM come up
and strap a rocket to it.
.
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