Re: Future: 0603 versus 0402 parts

On Sun, 18 Mar 2007 03:34:35 GMT, "Jeff L" <levy_jeff@xxxxxxxxxxx>
Gave us:


"John Larkin" <jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:7k9pv2lah5686ofli9v8bi19jpq2dhsfp6@xxxxxxxxxx
On Sat, 17 Mar 2007 11:03:57 -0700, MassiveProng
<MassiveProng@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

On Sat, 17 Mar 2007 10:40:17 -0800, John Larkin
<jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Gave us:

On Sat, 17 Mar 2007 10:20:57 -0700, MassiveProng
<MassiveProng@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

On Sat, 17 Mar 2007 09:21:46 -0800, John Larkin
<jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Gave us:

On Fri, 16 Mar 2007 20:58:06 -0700, MassiveProng
<MassiveProng@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:

On Fri, 16 Mar 2007 20:46:46 -0800, John Larkin
<jjlarkin@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Gave us:

On 16 Mar 2007 20:38:11 -0700, "Frank Raffaeli"
<SNIPrf_man_frTHIS@xxxxxxxxx> wrote:

On Mar 16, 11:24 pm, MassiveProng
<MassivePr...@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
On Fri, 16 Mar 2007 09:42:57 -0800, John Larkin
<jjlar...@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> Gave us:

We do everything B-size, 11x14"

B size is 11 x 17, idiot.

Two a size side by side.

11 x 14 is "legal size".

I see MP has a HO for JL ;-)


Well, that is the first time he has ever got any numbers right.


And you are full of *** as usual... again.



You are a joke to the group, and a toy. People pull your string and
you make the predictable squealing noises. Get used to it. Or do
something about it. Your choice. We'll have fun, either way.


Said the retard that doesn't even know why chalk is used on a pool
cue.

Where's that simpleton analysis you said you'd give of the .22
bowling ball strike, retard boy?


I was offering to walk you through it, but I guess you're not
interested.

2.6 grams at 330 m/s,

Where did you get that weight figure, and the velocity figure?

A few google hits pretty much agreed, so I used them. The bowling ball
is about average for the ranges I found. The whole thing took about 90
seconds.


whacking a 5 kg bowling ball dead-center in free
space, gets it going about 0.17 m/s.

The ball is moving. No accounting for that?

We use those mysterious "vector" things for cases like that; but my
simple case assumed it started at rest.



Is that what you got?

We are trying to deflect the ball, so shooting directly at it
doesn't get you anywhere. It must be struck from the side with
respect to its direction of travel. That's obviously not what you
got.

I got a velocity. You didn't.


What's the approximate time/force applied to the
ball?

One must first get one's impact energy figures correct, which you
haven't.

The numbers are right in front of you. Do it.



Oh yeah... should we put chalk on the tip of the bullet?

That wouldn't change the results much.

It sure would, if the ball were struck at an angle of incidence
other than perpendicular.

I specified a dead-center hit.


In fact, such a strike creates a torque arm. Do you even know what
that is?

That's an interesting case: suppose the bullet buries itself in the
very edge of the bowling ball.

How does that change the motion imparted to the ball?

Depends on what you mean by edge! Perpendicular to the surface - ie dead
center?


Is the energy transfer changed?

Of course!



(Interestingly, in the dead-center case, only 0.05 per cent of the
bullet's energy is imparted to the motion of the ball, which is just
the velocity ratio, which is just the mass ratio! It's an impedance
thing. Where did the rest of the energy go?)


Coming in here late, but a lot would go to deforming the metal slug,
fractures, heat and noise, and bounce back of the bullet.


It is in space, dingledorf. There is no noise. Also, in this very
post you responded to, he mentioned it getting embedded, so where is
the bounce back?

Every seen a slug enter a plate of lexan? No what the word
"liquefaction" means in this context?
.

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